look up和look out的区别

问题描述:

look up和look out的区别
还有find

查询,比如,查字典.look up the dictionary,
look out是当心,照料.
look out,the bus is coming!当心,公交车开来了.
find是发现,找到,寻找
I found an interesting story book in the corner of the classroom.
我在教室角落发现了本有趣的故事书.