Quadrivalence
n. 四价\\n[医] 四价
🗣️ 情景例句
I do.
我就是啊。
You're likely to see a cheerful message or two hanging on the wall.
很有可能会看到一两条挂在墙上的格言。
I wish I had your will power.
但愿我有你的意志力。