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
Do you get the picture?
明白是怎么回事了吗？
She is easily excited.
她容易激动。
You see, on the morning of the murder, the 8 o'clock train did not run at all.
您看，在凶杀发生的那天早晨，8点钟的那次车根本没有发。