音标
英语音标：[drɪl]
美语音标：[drɪl]
翻译
n.钻孔机；钻子；反复操练；播种机
v.练习；钻孔；(军事)训练
例句
The Marines carried out a drill that included 18 ships and 90 aircraft
海军陆战队进行了有18艘军舰和90架飞机参与的训练。
Navigation is good and there's a display to show how far you've drilled down.
导航很好，可以显示你正在看哪一级信息。
The drill should be slowly rotated to ensure a clean hole.
钻头必须缓慢转动，以保证钻孔平整光滑。
