Convex cutter
[机] 凸形铣刀
🧩 词语组成解析
convex
['kɔn'veks]
adj. 凸的，凸面的;凸状;凸形;
🗣️ 情景例句
Thank you, Jack, but no thank you.
谢谢你 ，Jack， 但不谢你 。
I understand completely.
我完全明白。
The eraser goes from one student to another first one way, then another.
橡皮擦从一个学生传给另一个学生－先从这个方向传过去，然后返回来。