Quadrivalence
n. 四价\\n[医] 四价
🗣️ 情景例句
I like to work with people who are honest, dedicated to their work.
我喜欢与一些诚实并对工作投入的人合作。
May I try it on?
我能试穿一下吗？
'Why are you doing that?' Sally asked.
“你为什么要那样做呢？”萨莉问。