Percussion drill
冲击钻机
🧩 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
Uh, are you going to be busy this evening?
今晚忙吗？
Well, I'm sorry you have to leave so early.
哦，很遗憾，你非得这么早走不可。
She entered the station twenty minutes before the train was due,
在火车进站20分钟前她就进了车站。