about的用法 有例句更好 ! 帮忙一下 谢谢about在什么情况下用？它在不同的句子里都有不同的含义吗？有例句吗 例句 谢谢！

介词 prep. 1.关于,对于My mother often spoke to me about you. 家母常和我谈起你.2.在...的附近;在...的周围She sat up and looked about her. 她坐了起来,环顾四周.3.在...的身边I had no money about me. 我身边...