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're all going to have your tonsils out.
你们都要切除扁桃腺。
It doesn't make any difference.
没什么差别。
Please remember this is not to be taken as final.
请记得这不是最后的回答。