问题 as的用法和翻译

...to stay with my poor mother,  but the doctors warn me that she may linger on as she is, or be a permanent invalid. 这句话粗体部分的意思我大概是明白的，但是as she is这个是什么成分？具体怎么翻译？它省略了什么啊？还有这个or be的前面省略的是she may...

问题 如何理解比较分句中it指代前后主语？

The soil is more fertile in many parts of US than it is in the desert of the United Arab Emirates.请教老师：than后比较分句的主语it指的是前面的The soil吧？ 可是我想不通的是：it是指代，指代的是同一个东西，前面用The soil指的是US的泥土，可是为什...

问题 mirror用法

"The regression of braincase sinuses in thallattosuchians mirrors that of cetaceans, reducing during their semi-aquatic phases and then diminishing further as they became fully aquatic," Mark Young, the paper's lead author said in a statement on Wednesday.这句话的mirror是不是和什么一样...

问题 not和don't区别

两者之间区别不太了解，看到过 not do sth的情况。请老师谈谈这个问题。

问题 如何理解not that we know of

句子: Well, not that we know of.（书本上翻译成：并不像我们所了解的那样）请问老师：we know of如果是定语从句，副词not难道可以修饰代词that吗？

问题 不定式否定形式作目的状语时，为什么不能直接加not?

Let's hurry so as not to be later for the meeting.老师，不定式的否定形式作目的状语时，不能not to be....;not to do吗，不定式作状语时只有目的状语这样例外吗？

话题 not

话题 not less

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话题 not because

话题 not all

话题 all not

话题 if not