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
you can wash the dishes and clean up after dinner.
你就在晚餐后洗盘子和收拾桌子。
Water dropping day by day wears the hardest rock away.
水滴天天滴不停，石头最坚也磨损。
Yes, I've nearly finished, Julie.
是的。我这就做完了。朱莉。