Separatrix
n. [自] 分界线；分隔号
🗣️ 情景例句
Good morning. Would you please bring me some breakfast?
早上好，可否为我送点早餐？
Shh! He'll hear you.
咻，小声点，他会听到的。
'I'll tell you where to get off.' answered the conductor.
“我来告诉您在哪儿下车，”售票员回答说。