Separatrix
n. [自] 分界线；分隔号
🗣️ 情景例句
She just said it's too easy.
她仅仅说它太容易了。
She began playing the violin when she was nine.
她从九岁就开始练习小提琴。
You look very well,Jimmy.
你看上去很好，吉米。