Bibivalent
[化]双二价的
🗣️ 情景例句
She's going to regret it for sure.
她肯定会为次后悔。
A chain is no stronger than its weakest link.
链条的坚固程度取决于它最薄弱的环节。
Really? So was my friend Bob White. Do you know him?
真的吗？我的朋友鲍勃·怀特也在中心学校。你认识他吗？