定语从句中表语中by+which的问题?the mechanism by which brain cells store memories is not clearly understood!中的by by修饰什么的?还原成移动的句子,by放在哪里啊?我怎么感觉by是多余的,

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定语从句中表语中by+which的问题?themechanismbywhichbraincellsstorememoriesisnotclearlyunderstood!中的byby修饰什么的?还原成

定语从句中表语中by+which的问题?the mechanism by which brain cells store memories is not clearly understood!中的by by修饰什么的?还原成移动的句子,by放在哪里啊?我怎么感觉by是多余的,
定语从句中表语中by+which的问题?
the mechanism by which brain cells store memories is not clearly understood!中的by by修饰什么的?还原成移动的句子,by放在哪里啊?我怎么感觉by是多余的,

定语从句中表语中by+which的问题?the mechanism by which brain cells store memories is not clearly understood!中的by by修饰什么的?还原成移动的句子,by放在哪里啊?我怎么感觉by是多余的,
这里的by是使用、依靠的意思.
把句子拆分成两个句子你就理解了.
1.the mechanism is not clearly understood.
2.brain cells store memories by mechanism.
然后合成一个句子当然就要对mechanism使用定语从句来修饰.
the mechanism (by which brain cells store memories) is not clearly understood
理解了吧.

The mechanism( by which brain cells store memories) is not clearly understood!
也可以这样写
the mechanism ( where brain cells store memories ) is not clearly understood
也等于
the mechanism (which brain cells store memories by) is not clearly understood
by which = where

by表示被动。 因为后面出现is not clearly understood
还原的话它是放在the mechanism的后面。

which在定语从句中作表语的例句 定语从句中先行词充当表语时.可不以用which就是说,which能不能用于先行词充当表语的定语从句? 定语从句中表语中by+which的问题?the mechanism by which brain cells store memories is not clearly understood!中的by by修饰什么的?还原成移动的句子,by放在哪里啊?我怎么感觉by是多余的, 在定语从句中,in which,on which,by which,from which的区别 定语从句中of which的用法 定语从句中which的用法 定语从句、名词性从句、状语从句定语从句中缺少主语/宾语/表语用that/which,其含义是 .名词性从句中缺少主语/宾语/表语用what,其含义是 ,如不缺少成分用that,其含义是 .定语从句中which的含义 .当关系代词在定语从句中做表语 ,为什么用that 不用which 求英语语法中,主语谓语宾语 定语从句 宾语从句 表语从句 限制定语从句 连词求英语语法中,主语谓语宾语 定语从句 宾语从句 表语从句 限制定语从句 连词 介词 的英语 that、which在从句中作表语的区别 在英语中什么样的句子叫宾语从句,定语从句,表语从句 关于定语从句which 和in which的问题An open-door method of managing is one in which you get things done by delegating tasks and motivating people.这句话中为什么用了in which 而不是which? in which 能否用于表语从句我知道in which和where在定语从句中,一定条件下可以互换,但where可用于表语从句,which 能不能用于表语从句 at which,in which,on which,for which,by which,from which的用法不要例句!要准确用在定语从句中等于什么! 谁能告诉我定语从句中on which,in which,by which,with which,to which,for which.的区别是什么?😥 which的用法(定语从句)在什么时候,定语从句中,只用which而不用that? 在英语中,用that引导的句子怎样辨认它是表语从句还是定语从句 which 引导的定语从句中,which 是不是不能同时在主句中充当表语,在从句中充当主语?例如,water is __we need in the daily life.