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
Oh no! It's five thirty.
哎呀 已经五点半了。
He guessed the train would come in early.
他猜想火车会很早到达。
Yes. He wanted you to ring him.
留了。他要你给他打电话。