1.当...时候
如:I went out as he came in.他进来我就出去了.
2.behind 是说什么什么背后喻指的事物.如:look behind what you see.深入的看事物(的本质).
3.妈妈由于对生病的孩子的关心,整晚都没睡觉.
4.你多谢了个leave、make吧,应该是leave sb a impression,和leave sb a impression on ...
1.当...时候
如:I went out as he came in.他进来我就出去了.
2.behind 是说什么什么背后喻指的事物.如:look behind what you see.深入的看事物(的本质).
3.妈妈由于对生病的孩子的关心,整晚都没睡觉.
4.你多谢了个leave、make吧,应该是leave sb a impression,和leave sb a impression on ...