in the third week 在第三周
阳光、灯、影、衣、冒 in,
即在阳光下,在灯下,在树阴下,穿衣、着装、冒雨等都要用in.
例:Don‘t read in dim light. 切勿在暗淡的灯光下看书。
They are reviewing their lessons in the bright light. 他们在明亮的灯光下复习功课。
They are sitti