drilling
/drɪl/
名词
钻;钻床;钻机
a dentist's drill
牙钻
(尤指军事)训练,练习
a spelling/pronunciation drill
拼写/发音练习
/drɪl/
动词
(用特殊工具)钻孔;打眼
They are going to drill for oil nearby.
他们准备在附近钻探石油。
(尤指进行军事)训练,练习
He drilled the children in what they should say.
他一遍又一遍地告诉孩子们应该说什么话。