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
Five, five, five, seven, five, three, two.
5557532。
There are always two sides to everything.
任何事情哒都有2个方面。
Which hammer? This one?
哪一把？是这把吗？