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
You must be very tired after the journey.
旅行之后，您一定累了吧！
They must hunger in frost that will not work in heat.
少壮不努力，老大徒伤悲。
The mother sat the child at a little table.
母亲安排孩子坐到小桌旁。