Bivalent cation
[机] 二价阳离子
🧩 词语组成解析
a. 二价的\\n[化] 二价的
cation
['kætaiən]
n. 阳离子;
🗣️ 情景例句
Speaking of being a mother,
谈到当母亲，
Don't forget to print airmail on the letter.
不要忘记在信封上印上航空邮件
Charlie chaplin, who died in 1977, is considered one of the greatest and funniest actors in the history of the cinema.
查理·卓别林于1977年去世，他被认为是电影史上最伟大、最滑稽的演员之一。