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
Life.
生活。
I invited him to come over, but he wouldn't.
我请他过来，但是他不肯。
Yes, it certainly is.
是呀，确实如此。