Separatrix
n. [自] 分界线；分隔号
🗣️ 情景例句
Yes, and you were such a cute baby.
对，你当时是个很逗人喜爱的婴儿。
The outdoor concert was called off due to the weather.
露天音乐会由于天气原因被取消。
Hello. Here's your eraser. Thanks very much!
给你橡皮。谢谢。