Acid concentration（）：n. - 完整释义与助记

🧩 词语组成解析

acid ['æsɪd]

adj. 酸味的;尖刻的;酸的;酸性的; n. <化>酸;酸味物质;

acid尖，酸，锐利 →酸；酸的，酸性的

concentration ['kɑnsn'treʃən]

n. 集中;专心;关注;浓度;

con共同+centr中心+ation后缀→集中；浓缩

Don't waste your breath trying to persuade them, they'll never listen.

别白费口舌规劝他们，他们不会听你的话。

Most of them are less than 30.

他们中大多数不到30岁。

OK. I've got a better idea. Why don't we do it together?

好，我有了一个更好的主意。为什么我们不一起干呢？

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a blot on one's escutcheon

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antiespionage

arc back