帮我修改一句英文。THUS, IT IS NECESSARY TO USE ANIMALS IN RESEARCH WH

帮我修改一句英文。
THUS, IT IS NECESSARY TO USE ANIMALS IN RESEARCH WHILE IT IS IMPRACTICAL TO USE HUMAN BEINGS. 在医学中用动物做实验是很必要的，因为在人身上做实验是不现实的。

sadjuice 1年前已收到1个回答举报

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从句等复杂句型，要表现的是比较多于1项的内容/概念，一般是可以用2个或更多的简单句来表达的内容。你的例句总共就说了1件事，怎么能把简单的东西复杂化、变成复合句呢？如果加一些内容的话，那完全可能变成一个你说的“复杂句型”：
HMV, {one of the largest music and enterainment retailers in the world,} has been lo...

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