Fluted drill
[机] 开构钻
🧩 词语组成解析
a. 笛声的, 有凹槽的
drill
[drɪl]
n. 操练;钻头;军事训练;（应对紧急情况的）演习;
vt.& vi. 钻（孔）;打（眼）;操练;训练;
vt. 作…演习，操练;
🗣️ 情景例句
That has nothing to do with what I'm talking about.
那跟我说的事情没有关系。
Thank you for coming to see me off.
谢谢你来为我送行。
I mean powder that is made from fish, blood and bone.
我是指用鱼、血和骨头制成的粉末。