Homeomorphic
同胚的
🗣️ 情景例句
Do you live on or off campus?
你住在校内还是校外？
This is my friend Susan.
这位是我的朋友苏珊。
He was absent on Monday,Tuesday,Wednesday and Tuesday.How are you all keeping?
星期二、星期三和星期四没去上学。你们身体都好吗？