We can't live without air and water.为什么用and不用or啊?We will die without air or water.为什么这句又用or?

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Wecan''tlivewithoutairandwater.为什么用and不用or啊?Wewilldiewithoutairorwater.为什么这句又用or?Wecan''tlivewithoutai

We can't live without air and water.为什么用and不用or啊?We will die without air or water.为什么这句又用or?
We can't live without air and water.为什么用and不用or啊?
We will die without air or water.为什么这句又用or?

We can't live without air and water.为什么用and不用or啊?We will die without air or water.为什么这句又用or?
第一句是双重否定表肯定,所以后面连接词用AND,
而第二句是否定句,或者的意思.

or
两者之一缺少谁都不行
and
则为两者都缺才成立

水和空气是生存必须的，2者并存否则没法活，所以用and。
少了其中任意一样，少水或者少空气，都得挂了，所以or就可以。

or 表选择
and做连词

这里表达的是两个一起~~少了一个都不行~~
or是或者~~只是其中之一

or是表选择的关系，and表示有连接的关系。

不是选择或者并列的问题，而是他们都表示并列关系，并且“否定句表示并列时用or,双重否定或者肯定时表示并列用and”

I can't live at all withou can't breathe withou you谁知道歌词! 英语翻译we can't live on air. we can't live without water we can't live without(没有) a____ We can't live without a_________. Why can't we live as one 首字母：We can't live w_____salt Why Can'T We Live Together 歌词 We can't live on the earth _______ animals 同义句:We can't live without water. We can't live w___ water or air We can't live without air.(改为同义句） People we can't live without but have to let I can't imagine how we will live without____(电) 问：Why_____________________________?答：Because we can't live without water. Without air,we can't live and everyone undersands that. 同义句:We can't live without water or air=We can't live _ _ _water or air