Quadrivalent
a. 四价的\\n[医] 四价的
✅ 同义词
🗣️ 情景例句
It's all right, Albert.
不要紧了。Albert。
He is the wisest man who does not think himself so.
不自以为聪明的人是最聪明的人。
no crowd or movement in which he may take comfort,
找不到伙伴和活动使自己得到安逸。