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
I didn't expect you to do such a good job.
没想到你做得这么好。
I'll probably have eggs and toast for breakfast.
我可能早餐吃鸡蛋和烤面包。
Don't pull the chairs about,boys!
不要把椅子拖来拖去，孩子们！