Separatrix
n. [自] 分界线；分隔号
🗣️ 情景例句
They mean long life. I remember you liked the calligraphy at the Palace Museum.
长命百岁。我记得上次去故宫，你特别喜欢书法。
The apple will be eaten quickly.
我能立刻吃掉一个苹果。
Are there any other other people on the island?
岛上有人（居住）吗？