Quaternate
a. 以四为一组的, 由四个组成的
🗣️ 情景例句
If you can't pay the bill, you're going to be in trouble.
你如果不能付账，就要倒霉。
His idea is childish.
他的想法很幼稚。
How often do you write?
你们隔多久写信？