Ultrasonic drill
[电] 超声钻头
🧩 词语组成解析
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
Compliments of the Watermill Inn. Watermill Inn
请客。
I often go to work in the morning.
我常常在早上去工作。
As it was extremely narrow, the man was unable to move,
由于烟囱太窄，那人无法动弹。