| 单词 | drill |
| 释义 | drilldrillsdrilldrill1 /drɪl/ noun1 [countable] a machine used for making holes in something hard: an electric drill电钻a dentist’s drill牙钻2[uncountable and countable] a method of teaching something by making people repeat the same thing many times: a pronunciation drill发音练习3when you practise what you should do in a dangerous situation, such as a fire or emergency4[uncountable] when soldiers practise marching |
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