Generatrixes
n. [数] 母线；母面；母点
🗣️ 情景例句
It was so nice to be out in the country.
出去置身乡下真是太好了。
No, I don't. Will it be a problem?
不，我没有，会有困难吗？
Have you ever been to West Hill Farm?
你曾到过西山农场吗？