Elementary substance - [化] 单质，怎么读怎么用

🧩 词语组成解析

elementary [,ɛlɪ'mɛntri]

adj. 基本的;初级的;[化]元素的;初等;

elem元素，要素+ent表示物+ary...的 →基本的

substance ['sʌbstəns]

n. 物质，材料;实质，内容;[神]灵;（织品的）质地;

sub下面+st站立+ance表名词→站在下面的东西→物质；本质

Mom, you're going to win!

妈妈，你会赢的

He who hath good health is young,and he is rich who owes nothing.

健康葆青春，无债即富有。

easily obtainable from the lunar rocks in the form of liquid oxygen.

从月球上的岩石中很容易提炼出液态氧，

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