吉他唱歌then,i am
going to share the experience of learning guitar and singing songs.to be honest
,i am not good at either of them, i just like them. singing can be used to
relieve my fatigues and can help me improve my accent. practicing guitar making
me happy when i am sad. my hobbies refer to
music, it said that singing along with
music or dancing to rhythm can make people clever. i am always singing at home
to share each other’s joys and sorrow in our life and to learn many songs.
泼水节it goes
without saying that there are many different kinds of activitiesand they can
not only broaden our minds but also add more fun to our life.for example ,
thailand water splashing festival ,it represents thailand thai new year, the
water-splashing festival is in mid-april and lasts three to five days. water is
the most precious thing to the tai people,they believe the holy water make you
get rid of bad luck,the tai people’s wish for your good fortune and happiness
sincerely.
印尼美食节in the indonesian
food festival , we satisfy our taste buds,also, we feastedour eyes on the he
traditional dances, songs and music.
风雅中华and the
“feng ya zhong hua” is china traditional
culturalquiz. we had a chance that enabled
our to presen our knowledge and practice ourcooperative learning skills.
五缘水乡 it is a
wetland park.where we can see manyblack swans . it is surrounded by verdant
trees on
in its the lakeside and intoxicates tens
ofthousands of people arms with their wonderful charm and
its radiant and enchanting scenery in lake
water.you can learn much during your travel about the geography, biology, and
history of the(谢谢你访问好范文wWW.91exam.org)
places you visit. 小结no matter how well educated you are, there is always a lot for you
to learn through travelling. the knowledge acquired from travel, as you will
have found in your life, is no less valuable than that from any influential
reference book.
第二篇:英语ppt演讲稿
to make a better city, planners aimed at
creating a city in which the insalubrious environment and social structure
would be defeated by a reordering of physical and social arrangements, so that
all the citizens could attain the benefits of beauty, community, and democracy.
in harvey’s opinion, the better city should confront on the postmodernist
challenge to political economy, and deal with environmental sustainable.
however i think green buildings could make
good cities, and also citizens will have a best quality of life. according to
the world green building council’s definition, “to
significantly reduce or eliminate the negative impact of buildings on the
environment and on the building occupants, green building design and
construction practices address: sustainable site planning, safeguarding water
and water efficiency, energy efficiency, conservation of materials and
resources, and indoor environmental quality.”the green building,
which is sustainable in the built environment, can reduce environmental impact
but also provide better buildings. the technologies associated with green
buildings include:
-energy conservation
-water conservation
-material selection
-use of renewable materials
-occupant health and indoor environment
quality
-site ecology
-recycling
the green building can be residential, commercial,
retail and industrial buildings. for example, the green building uses
water-mining plant to recycle water on toilet flushing, watering the garden,
and washing cars. the building also uses phase-change materials for cooling,
automatic night-purge windows, wavy concrete ceilings, which saves a lot of
money and become more sustainable.
the idea of green and healthy cities is
becoming more important nowadays. the better city should be planed for health
and well-being by planners, and they will mainly focus on service facilities,
educations. the good city will also need to be safe in community, and make
community more walkable, and has an urban design with exquisite streetscape.
however the planner keeps developing new ideas of how cities should be changed,
therefore the city will become more livable and sustainable in the future.
reference:
susan s. fainstein, can we make the cities
we want? the urban movement
richard reed and sara j. wilkinson (oct,
2014) green building-issues for the valuation process, uiversity of melbourne
第三篇:英语ppt演讲稿
to make a better city, planners aimed at
creating a city in which the insalubrious environment and social structure
would be defeated by a reordering of physical and social arrangements, so that
all the citizens could attain the benefits of beauty, community, and democracy.
in harvey’s opinion, the better city should confront on the
postmodernist challenge to political economy, and deal with environmental
sustainable.
however i think green buildings could make
good cities, and also citizens will have a best quality of life. according to
the world green building council’s definition, “to
significantly reduce or eliminate the negative impact of buildings on the
environment and on the building occupants, green building design and
construction practices address: sustainable site planning, safeguarding water
and water efficiency, energy efficiency, conservation of materials and
resources, and indoor environmental quality.”the green building, which
is sustainable in the built environment, can reduce environmental impact but
also provide better buildings. the technologies associated with green buildings
include:
-energy conservation
-water conservation
-material selection
-use of renewable materials
-occupant health and indoor environment
quality
-site ecology
-recycling
the green building can be residential,
commercial, retail and industrial buildings. for example, the green building
uses water-mining plant to recycle water on toilet flushing, watering the
garden, and washing cars. the building also uses phase-change materials for
cooling, automatic night-purge windows, wavy concrete ceilings, which saves a
lot of money and become more sustainable.
the idea of green and healthy cities is
becoming more important nowadays. the better city should be planed for health
and well-being by planners, and they will mainly focus on service facilities,
educations. the good city will also need to be safe in community, and make
community more walkable, and has an urban design with exquisite streetscape.
however the planner keeps developing new ideas of how cities should be changed,
therefore the city will become more livable and sustainable in the future.
reference:
susan s. fainstein, can we make the cities
we want? the urban movement
richard reed and sara j. wilkinson (oct,
xx) green building-issues for the valuation process, uiversity of melbourne
第四篇:专业英语ppt演讲稿
1、lathe [leie]
2、value of two yuan of the third series of the rmb ——the turner
3、a lathe is a machine tool which rotates the workpiece on its axis to
perform various [‘vε?ri?s] operations such as cutting, sanding(砂磨), knurling[‘n?:li?] (滚花), drilling, or deformation with
tools that are applied to the workpiece to create an object which has
symmetry[‘simitri] (对称) about an axis of rotation.(center lathe,vertical lathe)
4、history
the lathe is an ancient tool, dating at
least to ancient egypt [‘i:d?ipt] and known and used in assyria [?’siri?] and
ancient greece [ɡri:s].
the origin [‘?rid?in, ‘?:-] of turning
dates to around 1300 bc when the ancient [‘ein??nt] egyptians [i:’d?ip??nz]
first developed a two-person lathe. (one person would turn the wood work piece with a rope while the
other used a sharp tool to cut shapes in the wood.) ancient rome improved the egyptian
design with the addition of a turning bow. in the middle ages a pedal replaced
hand-operated turning, (freeing both the craftsman’s hands to hold the woodturning tools.
the pedal was usually connected to a pole, often a straight-grained sapling.) the system today is called the
"spring pole" lathe. spring pole lathes were in common use
into the early 20th century.
during the industrial revolution,
mechanized [‘mek?naizd] power generated by water wheels or steam engines was
transmitted to the lathe via line shafting,( allowing faster and easier work.
metalworking lathes evolved into heavier machines with thicker, more rigid
parts.) between the late 19th and mid-20th centuries, individual electric
motors [‘m?ut?] at each lathe replaced line shafting as the power source.
beginning in the 1950s, servomechanism[,s?:v?u’mek?niz?m, ‘s?:v?u,me-] (伺服机构) were applied to the control of
lathes and other machine tools via numerical control, (which often was coupled
with computers to yield computerized numerical control.) today manually
controlled and cnc lathes coexist(共存) in the manufacturing industries [‘ind?stri].
5、description:parts
explanation of the standard components of
most lathes:
? bed床身: usually made of cast iron. provides a heavy rigid frame on which
all the main components are mounted.
? ways床身导轨: inner and outer guide rails that are precision machined parallel
to assure accuracy of movement.
? headstock[‘hedst?k]床头箱,主轴箱: mounted in a fixed position
on the inner ways, usually at the left end. using a chuck, it rotates the work.
? gearbox ①齿轮箱②变速器: inside the headstock, providing multiple speeds with
a geometric ratio by moving levers.
? spindle[‘spindl]心轴,主轴: hole through the headstock to
which bar stock can be fed, which allows shafts that are up to 2 times the
length between lathe centers to be worked on one end at a time.
? chuck卡盘: 3-jaw (self centering) or 4-jaw (independent) to clamp part being
machined.
? chuck: allows the mounting of difficult
workpieces that are not round, square or triangular.
? tailstock尾架: fits on the inner ways of the bed and can slide towards any
position the headstock to fit the length of the work piece. an optional taper
turning attachment would be mounted to it.
? tailstock quill[kwil]尾架套管: has a morse taper to hold a
lathe center, drill bit or other tool.
? carriage托架,滑动架: moves on the outer ways. used for mounting and moving most the
cutting tools.
? cross slide横刀架,横拖板,横溜板: mounted on the traverse slide of the carriage, and uses a
handwheel to feed tools into the workpiece.
? tool post刀架,刀座: to mount tool holders in which the cutting bits are clamped. ?
compound rest复式刀架: mounted
to the cross slide, it pivots around the tool post.
? apron[‘eipr?n]床鞍: attached to the front of the
carriage, it has the mechanism and controls for moving the carriage and cross
slide.
? feed rod进给杆: has a keyway, with two reversing pinion gears, either of which can
be meshed with the mating bevel gear to forward or reverse the carriage using a
clutch.
? lead screw丝杠: for cutting threads.
? split nut开合螺母: when closed around the lead screw, the carriage is driven along by
direct drive without using a clutch.
? quick change gearbox快换齿轮箱: controls the movement of the
carriage using levers.
? steady rest固定中心架: clamped to the lathe ways, it uses adjustable fingers to contact
the workpiece and align it. can be used in place of tailstock or in the middle
to support long or unstable parts being machined.
? follow rest跟刀架: bolted to the lathe carriage, it uses adjustable fingers to bear
against the workpiece opposite the cutting tool to prevent deflection.
6~9、description:accessories [?k’ses?ri]
three-jaw [d??:] chuck [t??k]:
self-centering three-jaw chuck and key with one jaw removed and inverted
showing the teeth that engage in the scroll plate. the scroll plate is rotated
within the chuck body by the key, the scroll engages the teeth on the underside
of the jaws which moves the three jaws in unison, to tighten or release the
workpiece.
four-jaw chuck :independent four-jaw chuck,
also known as a universal chuck, with the jaws independently set. the key is
used to adjust each jaw separately. collet弹性夹头: a collet [‘k?lit] is a holding device—specifically, a subtype of
chuck—that forms a collar around the object to be held and exerts a strong
clamping force on the object when it is tightened, usually by means of a
tapered outer collar. it may be used to hold a workpiece or a tool.
faceplate花盘: a lathe faceplate is the basic workholding accessory for a wood or
metal turning lathe. it is a circular metal (usually cast iron) plate which
fixes to the end of the lathe spindle. the workpiece is then clamped to the
faceplate, typically using t-nuts in slots in the faceplate, or less commonly
threaded holes in the faceplate itself.
dead center死顶尖: dead center (the conical piece) mounted in the spindle of a lathe
and being used to support a workpiece being driven by a carrier setup live
center活顶尖:a live
center or revolving center is constructed so that the 60° center runs in its
own bearings and is used at the non-driven or tailstock end of a machine.[2] it
allows higher turning speeds without the need for separate lubrication
[,lu:bri’kei??n], and also greater clamping pressures.
lathe carrier[‘k?ri?]车床鸡心夹头: a lathe dog, also known as a
lathe carrier, is a device that clamps around the workpiece and allows the
rotary motion of the machine’s spindle to be transmitted to the workpiece.
mandrel[‘m?ndr?l]心轴: an object used to shape machined
work.
10、application
lathes are used in woodturning,
metalworking, metal spinning(旋压), and glass-working. lathes can be used to shape pottery, the
best-known design being the potter’s wheel陶车. most suitably equipped metalworking lathes can also be used to
produce most solids of revolution, plane surfaces and screw threads or helices.
ornamental [,?:n?’ment?l] lathes can produce three-dimensional solids(实体)of incredible complexity
11、examples of work produced from a lathe
12、thank you!
i`m very happy to have this opptunity to
give you a talk.today,my topic is lathe.
i know many of you are familiar with this
topic
can you hear me clearly?
i think ti would be best to start out by
looking at the picture on the screen
i would like to talk about first is the
definition of the lathe
question [‘kwest??n]
that is all,thank you very much
do you have any questions? please show me
your hand.
who else?
i think we have time for just one more
question
第五篇:中国功夫英语ppt演讲稿
traditional martial arts are part of
china’s outstanding culture and it contains the spirit of the
chinesenation-specific values, way of thinking, imagination, which embodies the
chinese nation’s vitality andcreativity, and intelligence are the
crystallization of the chinese people, but also a treasure for allmankind
civilization.
the origin of chinese martial arts 中国武术的起源
wushu in china goes back to ancient times,
originating from productive laboring of the ancient ancestry.
in the primitive society, people had to
survive by gathering in groups. they lived on hunting with rocks and sticks.
hitting with their hands, kicking with their feet and cutting, chopping or
stabbing with simple weapons, they performed all kinds of movements, which
displayed certain skills of defense or attacking. these performances made up
the substantial background of wushu.
in the clan [kl?n] society, there often
occurred battles between the tribes. armed forces became the means of
plundering. bows, arrows, casting stones and other rocky items appeared as
weapons, being improved gradually according to the needs of fight. when having
a rest, especially when celebrating their triumphs, people danced to the
imitations of defending and attacking movements, stabbing, blowing and kicking.
after prolonged accumulation, the experiences began to be raised to the level
of consciousness, hence wushu came into being.
type of gongfu中国武术的分类
chinese martial arts consist of a number of
fighting styles that were developed over the centuries. those fighting styles
can be classified according to common themes that are identified as
"families" (家), "sects" (派) or "schools" (门). styles of chinese martial arts also can be categorized as the
northern style and the southern style according to the geographical regions
divided by the huanghe river.
chinese love for martial arts中国人的武侠情缘
chinese love for martial arts can be
reflected in many martial arts novels and all kinds of film and television
works.
the works of jin yong, gu long, liang
yusheng is representative of martial arts novels. recent years, a lot of
martial arts writers appear on the mainland. for example, feng ge, the writer
ofkun lun(昆仑 )and cang
yue, the writer oftingxuelou series, who are the representativeof new martial
arts writers. it is said that “outstanding martial arts novelist to write the
world faces; and astute readers read out the vicissitudes of life and attitudes
of human.” we may not be the astute readers, but we can at least enjoy martial
in our own way. superb and legendary martial arts, peculiar experience of a
survivor, a love story full of pathos attract many readers.
martial arts film and television works are
emerging.
中国武术精神 the
spirit of the chinese martial arts
1个人的武德修养 individual cultivation of martial arts ethics.
the practicers should respect teachers,
filial piety, and righteousness and should not belligerent.
2 collective morality.集体的道德观念。
the practicers should help the poor and the
weak, solve villainous crimes and righteous.
3爱国主义的精神。the spirit of patriotism
all the practicers must loyalty to the
nation. the goal they practice martial arts is to protect the country and the
people.
武术对世界的影响
chinese gongfu is a very important and
unique form of chinese culture. it can be viewed as both a popular and a
classical art. today it is very common and widespread. chinese gongfu possesses
an important and extensive cross-cultural跨文化的 significance. the popularity of chinese gongfu, including
taijiquan, qigong, etc. is not limited to china but has become a worldwide
phenomenon. we can also enjoy some kongfu movies directed by foreign directors
at times!
in the future, we hope more people could
interest in our chinese culture and have a depth knowledge of chinese kongfu.
good evening, ladies and gentlemen,
honorable judges and distinguished guest! this is alex time!
ha-ha…my topic today is to show our gratitude to people around you.
then what is gratitude? at the moment a
well-known song comes into my mind. yes, that is called heart of feel grateful.
my heart is filled up with gratitude because i’m with you/your make
me courageous to be myself from cradle to the grave/so now i wanna thank for
destiny/i’ll cherish the flower when it blooms until falls. the
poetic lyric tells us that gratitude is actually a state of mind.
once upon a time, the pilgrims took the
may flower ship to north america. they started a new life there although a lot
of difficulties and hardships they encountered. after a long-time work, they
got a big harvest. the pilgrims had a feast in 1621 near plymouth,
massachusetts, which is often referred to as the first thanksgiving. people
show their sincere gratitude towards the god, the nature, the earth, the river,
the indians and themselves. moreover the 1621 feast has become a model for the
thanksgiving celebration in the united states. so we can see gratitude is an
action to take.
how can we express our gratitude?
it’s never a simple question to answer. gratitude is a rare jewel,
not a piece of cake, i know. but how can we expect such big events happening
now and then? how can we be ready to say thank you ahead of time? how can we
always hope to be grateful to everything and everyone for their dignity and
generosity? sometimes i may ask to myself. is it moral? is it honest? is it
beneficial? is it necessary? or the most interesting one, is it ridiculous?
ha-ha…so in my opinion, we’d better concentrate on our
life’s details. keep your eyes open to your daily life. yes! a
shining smile is supposed to be gratitude. a thank-you note is supposed to be
gratitude. a soulful watch is supposed to be gratitude. as far as a
baby’s crying on his arrival is supposed to be gratitude. and even
fallen leaves in autumn are supposed to be gratitude. so the person, who stands
here giving you a speech, is also showing his gratitude.
at last, what’s the
significance of showing our gratitude? a proverb says that gratitude is the sign
of noble souls. wow! until now i am not that kind of giant, but i dare to say
that everyone, you and me, has the right and the duty to show our gratitude to
the world, no matter rich or poor, happy or sad, young or old. only by doing so
can we achieve our human ultimate concern. meanwhile it obviously helps to
build up a harmonious society. under the same sky we enjoy the same sunshine
and appreciate the same love due to thanking and caring each other. well, does
it plato’s paradise?
all in all, a world full of gratitude is
preciously expected for thousands of years. why not show our gratitude to
people around you?