Bivalent
a. 二价的\\n[化] 二价的
✅ 同义词
🏥 医学释义
二价的（化学元素）
🗣️ 情景例句
As a matter of fact,
事实上，
Ouch! I fell down and cut my knee!
好痛呦！我跌倒割伤了膝盖！
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请在这儿签字以表明你已收到这笔钱。"