Molecule(or particle) number concentration（）：n. - 完整释义与助记

🧩 词语组成解析

number ['nʌmbɚ]

n. 数字;数量;号码;编号; v. 标号;总计;把…算作;

numer, number 表示”数字”;”计算”,”估算”

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

I just stopped by to say hello.

我只是顺路过来问个好。

Pride goeth before,and shame cometh after.

骄傲走在前，羞耻跟在后。

When she reached home, her mother asked:Have you got everything?

“你东西买齐了吗？”

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