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
This is fun. It's a piece of cake.
有意思 毫不费力。
You only live once.
人生只有一次。
I can't afford to go to a restaurant every day.
每天都去餐馆吃饭，我真是支付不起。