Quadrivalent
a. 四价的\\n[医] 四价的
✅ 同义词
🗣️ 情景例句
John, what are you going to do?
约翰，你要干嘛？
It is better to please a fool than to anger him.
惹得傻瓜发火，不如使他快活。
This one seems a little small for me.
这顶我戴好像小了一点。