| 单词 | drill¹ |
| 释义 | 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 |
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