Pneunatic drill
[機] 氣鉆
?? 詞語組成解析
[機] 氣力縫錘; 空氣的, 氣臟的, 空氣作的
drill
[dr?l]
n. 操練;鉆頭;軍事訓練;（應對緊急情況的）演習;
vt.& vi. 鉆（孔）;打（眼）;操練;訓練;
vt. 作…演習，操練;
??? 情景例句
There's so many things to talk about.
有許多事情需要討論。
I'm single.
我現在單身。
My wife was delighted that things had returned to normal once more.
一切又都恢復了正常，為此我妻子十分高興。