Quadrivalents
(quadrivalent 的复数) a. 四价的\\n[医] 四价的
🗣️ 情景例句
You won't feel a thing.
你一点也没有感觉。
I was not aware that I was in danger.
我不知道自己处于危险中。
It's been open for several years.
它建成已有好几年了。