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
Richard, did you go to the aerobics class, really? Richard
你真的上了有氧运动课吗？
A bad custom is like a good cake, better broken than kept.
坏习惯像鲜馅饼，分食要比保存好。
At the time of his death, one person praised him as follows: Future generations, it may be, will hardly believe that such a person as this walked upon this earth.
未来的几代人有可能难以相信，在这个世间曾经有这样的一个人行走过。"