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
Mose people would like to work in the west, mainly because wages are comparatively high.
许多人喜欢在西方工作，主要是因为那边工资相对高些。
Pervert!
变态！
In the class there are two American girls. They are twins. Their names are Lily and Lucy.
在班上有两个美国女孩，他们是双胞胎，名字叫鲁茜、莉莉。