Submanifold
子流形, 子簇
??? 情景例句
I don't appreciate your advances towards me.
我真的不喜歡你來(lái)搭訕。
Every lover sees a thousand graces in the beloved object.
情人眼里出西施。
There is a chair below the window.
窗戶(hù)下面有一把椅子。