Generatrixes
n. [数] 母线；母面；母点
🗣️ 情景例句
I'm glad you came. You're welcome any time.
我很高兴你能来。随时都欢迎你们来。
Good morning, ladies and gentlemen. It's very satisfying to see so many of you here.
各位女士各位先生，早上好，在这里见到你们大家使人感到非常满意。
Don't be so sure.We might not go anywhere.
别那么肯定。我们可能哪里也去不成。