Separatrix
n. [自] 分界线；分隔号
🗣️ 情景例句
They decided to break up the partnership.
他们决定终止合作关系。
She was so stunned, that she couldn't speak.
她惊愕得说不出话来。
Dad, this bag is too big. We can't carry it.
爸爸，这个包太重了，我搬不动。