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| NOUN |
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| /kɔɪl/ |
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| 1 | a length of something that forms rings or curls 卷；盘；匝 |
| a coil of rope 一卷绳子 |
| | 1a | something that has a long curved shape 圈；环 | | a coil of black smoke 黑烟圈 | |
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| 2 | a piece of curved wire that produces heat or light when electricity passes through it 线圈；绕组 |
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| 3 | a part of a vehicle’ s engine that supplies electricity to the spark plugs （为汽车发动机火花塞供电的）盘管 |
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| 4 | a curved piece of plastic that is put inside a woman’ s uterus as a contraceptive (= to prevent her from becoming pregnant) 子宫节育环 |
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