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
What is your responsibility there?
你在那主管什么？
To whom is the check payable, madam?
请问支票受款人是谁，夫人？
I read a few lines, but I did not understand a word.
我读了几行，但一个字也不懂。