Spiral cutter
[机] 蜗旋铣刀
🧩 词语组成解析
spiral
['spaɪrəl]
n. 螺旋（线）;旋涡;螺旋形物;（足球运动的）旋球;
v. 使成螺旋形;螺旋式的上升（或下降盘旋上升（或下降）;
adj. 螺旋形的;盘旋的;盘旋上升的;
🗣️ 情景例句
Are you all right?
你怎么了？
Novelty is the great parent of pleasure.
新奇生乐趣。
Three quarters of the world's books and newspapers are written in English.
3/4的书籍和报纸是用英语写的。