Pneumatic drill
风钻, 气动排种式播种机; 气钻
🧩 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
Don't forget to use primer first when you paint the house.
刷房子之前别忘了刮底漆。
Experience keeps no school, she teaches her pupils singly.
亲身经验，才是经验。
Since then, they have been trying to find out how the fire began.
从那时起，他们一直试图找出起火的原因。