*drill¹/drɪl; drɪl/ n 1 [C] a tool or machine used for making holes in something hard 钻(机),钻床: an electric drill 电钻 a dentist's drill 牙钻 2 [C,U] a method of teaching something by making people repeat the same thing many times 操练,反复训练 3 fire/emergency drill when you practise what you should do in a dangerous situation 消防演习/应急演练: We had a fire drill at school yesterday. 昨天我们在学校举行了消防演习。 4 [U] when soldiers practice marching 〔士兵的走步〕操练