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
Remember our fishing trips?
还记得我们以前那些钓鱼之行吗？
I want to be a pilot of possible.
如果可能的话，我想做个飞行员。
All the bees that had been at the distant feeding place were doing a completely different dance, a wagging dance.
所有在近处点的蜜蜂在跳一种完全不同的舞蹈，一种摇摆舞。