Quadrivalvate
四裂爿的
🗣️ 情景例句
How many people are there in your family?
您家有几口人？
Why are you so busy?
你为什么这样忙碌？
If you park your car in the wrong place, a traffic policeman will soon find it.
一旦你把汽车停错了地方，交通警很快就会发现。