Concave cutter
[机] 凹面铣刀
🧩 词语组成解析
concave
['kɔn'keiv]
n. 凹面，成凹形;
adj. 凹的;
vt. 使成凹形;
🗣️ 情景例句
Mom is now on television
妈妈现在出现在电视上
What do you do for relaxation?
你做什么消遣？
I am an art student and I paint a lot of pictures.
我是个学艺术的学生，画了很多画。