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
I look silly! It is too small!
我看来很滑稽 ，它太小了！
By the way, before leaving this subject, I would like to add a few comments.
在结束这个问题之前顺便一提，我希望能再提出一些看法。
Even though the road was littered with boulders and pitted with holes, Bruce was not in the least perturbed.
尽管路面布满石头，坑坑洼洼，但布鲁斯却一点儿不慌乱。