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
Goodbye, it was a pleasure meeting you.
再见， 和你见面很高兴。
Please don't get angry at me.
请不要生我的气。
They had little difficulty in finding it,
他们没费多大事儿就找到了盘子。