Quadriad
n. 四个一组(或一套、一系列)
🗣️ 情景例句
She finished the race strongly.
她很有毅力地跑完了全程。
Why are you crying?
你为什么哭？
I would like to present our comments in the following order.
我希望能依照以下的顺序提出我们的看法。