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
Are you sure you are dialing the right number?
你确定你打的号码是对的吗？
It seems he knows everything.
看起来他好像知道一切事情。
We're having trouble meeting your shipping schedule.
要如期出货，我们有问题。