in和behind和after的区别
问题描述：
in和behind和after的区别
尽量详细些.从多个方面说：时间、次序、空间等.
答
in 在...以后 (指时间)
He'll come back in a week.
他将于一周之后回来.
behind在后面 (指空间)
Tom sits behind me
after 在...以后 (时间先后)
After graduation he went abroad.
毕业后他去了国外.
At half after ten it began to rain.
在十点半下起雨来.