Separatrix
n. [自] 分界線；分隔號
??? 情景例句
It really looks good on you.
穿在你身上真是好看。
Idle young, needy old.
少壯不努力，老大徒傷悲。
No, I haven't. I read about it in the newspaper. It's also about the man who wanted to end slavery -- Abraham Lincoln.
不，還沒有。我在報紙上讀過有關的情況。它還講述了那個想結束奴隸制度的人，即亞伯拉罕·林肯的情況。