Molecule(or particle) number concentration - [化] 分子(或粒子)数浓度，怎么读怎么用

🧩 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

Nowadays in the USA, more and more young people are losing interest in politics.

正在的美国，越来越多的年轻人对政治丧失了兴趣。

People greet one another with Happy New Year.

人们相互祝福“新年好”。

The Ambassador's wife went on asking questions, when she suddenly noticed a big hole in her husband's hat.

大使夫人继续提出问题，她突然又发现丈夫的帽子上有个洞。

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