[化] 主成分

major constituent的用法和样例：

例句

Traps are the major constituent of many ridges.暗色岩是很多山脊的主要成分。
DHMO is a major component of acid rain.是形成酸雨的主要成分。

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学英语单词

Aconitum raddeanum

annonaceous

anotherness

aspirated electrical capacitor

Bessmertnovite

bibasil

bills receivable discounted