Orientability
可定向性
🗣️ 情景例句
I'd like to come to the ten o'clock advanced class this morning.
我想今早十点来上你的高级健身班。
Until all is over one's ambition never dies.
不到黄河心不死。
Lucy ran faster than Meimei.
露茜比梅梅跑得更快。