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
and I stayed out an extra half hour.
我还特别多待了半个小时。
I fear the Greeks, even when bringing gifts.
敌人献礼品，千万莫轻信。
for it is then almost ready to undertake heavy work and can begin to earn its keep straight away.
这个年龄的象差不多已能干重活，可以很快挣回饲养它的开支。