Pinion cutter
[机] 齿轮形刨齿刀
🧩 词语组成解析
pinion
['pinjən]
vt. 抓住[捆住]（双臂）;
n. <术>小齿轮;
🗣️ 情景例句
It's because I have a bad cold.
那是因为我患了重感冒。
To conduct an orchestra
指挥交响乐
What a good deal!
真便宜！