科普下onwhich与inwhich的区别与用法

　　关于到现在on which 与in which 的区别与用法这个话题，相信很多小伙伴都是非常有兴趣了解的吧，因为这个话题也是近期非常火热的，那么既然现在大家都想要知道on which 与in which 的区别与用法，小编也是到网上收集了一些与on which 与in which 的区别与用法相关的信息，那么下面分享给大家一起了解下吧。
　　当“介词+ which”在定语从句中作时间、地点和原因状语时，可以用相应的关系副词when, where和why来替换。这些都是定语从句里面由which引导的定语从句，介词提前。介词的使用除了意思上的区别，具体是要以which引导的从句而定的。
　　in which, for which, on which, at which的不同用法
　　1)这些都是定语从句里面，由which引导的定语从句，介词提前。下面这些介词的使用除了意思上的区别，具体是要以which引导的从句而定的。
　　①in which可以翻译成在……里面
　　The school (that/which) he once studied in is very famous.
　　= The school in which he once studied is very famous.
　　②for which可以翻译成为了……目的
　　Tomorrow I will bring here a magazine (that/which) you asked for.
　　= Tomorrow I will bring here a magazine for which you asked.
　　③on which可以翻译成在……的上面，或具体时间的某一天
　　I have a dresser in my bedroom, which there are many cosmetics on.
　　= I have a dresser in my bedroom on which there are many cosmetics.
　　④at which可以翻译成在……里面或在……
　　The dumpling House which he often has dumplings at is very popular.
　　= The dumpling House is very popular, at which he often has dumplings.
　　2)当然第一点只是介词作为基本意思的用法，还有一些固定搭配，得具体情况具体分析。
　　①The plane may be several hours late, in which case there’s no point in our waiting.
　　(固定搭配：in the case)
　　②The speaker paused to examine his notes, at which point a loud crash was heard.
　　(固定搭配：at the point)
　　③Ten years of hard work changed her greatly, for which reason he could hardly recognize her at first sight.
　　(固定搭配：for the reason)
　　④The film at which I fell asleep was very boring.
　　(Here ＂at which＂ is based on ＂fell asleep at the film＂因为电影无聊而睡觉。)
　　⑤The little creature in which scientists are interested is known as ET.
　　(这里＂be interested in＂是词组原因)
　　⑥This is the book for which he is looking.
　　(即等于This is the book which he is looking for，这主要是因为look for 这一短语)