Quadriad
n. 四个一组(或一套、一系列)
🗣️ 情景例句
I'm planning to run for the school board.
我打算竞选联合校董会董事。
She cannot be provoked by their stupid behavior.
她不会被他们愚蠢的举止激怒。
Oh, sure.
哦，没问题。