关于as 结构理解

It is reported that Americans eat too much protein every day, twice as much as they actually need.

我可以假设把twice as much放一边，先不理解吗？

Americans eat too much protein，as they actually need.

Americans eat too much protein as they need.

这样可以当成定语从句，觉得这样子理解起来比较简单。

你读句子一点逻辑都没有。原句为美国人吃太多的蛋白质，是他们实际需要的二倍。

你改动后的句子逻辑上出现了矛盾。一方面你说美国人吃的蛋白质太多，一方面又说他们实际需要这么多。自相矛盾。

你改动的句子是错误的。一定要注意句子表达的逻辑意义。

曹荣禄 -

擅长：动词用法,句法问题 | 采纳率 82% | 回答于 2021-01-13 21:40

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