throw 的drop区别是什么?

drop,fall,throw三者的区别及用法? 请问drop litter和throw litter ,throw litter about 的区别, 谢谢! drop to do sth与drop doing的区别是什么 请问Drag与drop的区别是什么? fall和drop的区别是什么? drop into和throw into有什么区别 throw away和throw out的区别 throw to和throw at的区别 throw away 与throw of的区别 drop in与drop by的区别 "drop by","drop in"的区别? drop by 和 drop on的区别