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| NOUN |
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| /swɪtʃ/ |
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| 1 | something such as a button or key that controls the electrical supply to a light , piece of equipment , machine etc 开关；电闸 |
| a light switch 电灯开关 |
| an on-off switch 通电/断电开关 |
| flick/flip a switch (=push it up or down) He flicked the intercom switch to his secretary. 扳动／按下开关 |
| press a switch Lily pressed the switch and plunged the room into darkness. 莉莉按下开关，房间里变得一片漆黑。 |
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| 2 | a change from one thing to another 改变；转变；转换 |
| a major policy switch by Washington 华盛顿方面所做的重大的政策改变 |
| a switch (from sth) to sth He said the switch from electric to solar power would be made soon. 他声称很快就会实现从电能到太阳能的转变。 |
| A switch to a high-fibre diet will help your digestion. 改吃高纤维食物将有助于你的消化。 |
| make the switch (from sth) to sth Last year he made the switch to boxing from kickboxing. 去年他从一名跆拳道运动员转成拳击手。 |
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| 3 | a stick so thin that you can bend it easily （柔软易弯的）细枝条，细棒 |
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