Separatrix
n. [自] 分界线；分隔号
🗣️ 情景例句
Where's the dressing room?
试衣间在哪儿？
What may be done at any time will be done at no time.
在任何时候都可做的事情，总是在任何时候都不做的事情。
Twenty or thirty pages of information handed to any of the major world powers around the year 1925 would have been sufficient to change the course of world history.
如果把二三十页的情报交给1952年前后的任何一个世界强国，就足以改变世界历史的进程。