题目
由……组成 英语怎么说 （2种说法）
提问时间：2021-03-29
答案
make up of
eg.We think of a nucleus as make up of neutron and proton.
be composed of
eg.Concrete is composed of cement,sand and gravel mixed with water.
eg.We think of a nucleus as make up of neutron and proton.
be composed of
eg.Concrete is composed of cement,sand and gravel mixed with water.
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英语翻译
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