Generatrixes
n. [数] 母线；母面；母点
🗣️ 情景例句
I'm thinking about it....
我正在考虑中……
Don't throw out your dirty water before you get in fresh.
清水未打来，赃水莫倒掉。
My old friend, Harrison, had lived in the Mediterranean for many years before he returned to England.
我的老朋友哈里森在回到英国以前曾多年居住在地中海地区。