Quaternate
a. 以四为一组的, 由四个组成的
🗣️ 情景例句
Robbie, maybe you should call them，
Robbie也许你应该给他们打个电话，
Glad to have been of help.
我很高兴能给您帮个大忙。
It's often cold in December, January and February.It snows sometimes.
12月、1月和2月常常很冷，有时还下雪。