Separatrix
n. [自] 分界线；分隔号
🗣️ 情景例句
We have strict procedure around here and we expect all of our staff to follow it.
我们这儿有非常严格的工作程序，希望全体员工遵守。
He likes playing the trumpet.
他喜欢吹喇叭。
Excuse me，Sir.
先生，对不起。