名词
中文翻译：Unknown
同义词：
['switch', 'switcher', 'switchboard', 'switch-off', 'switch-on']
例句：
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1. The engineer switched on the lights in the factory.
工程师打开了工厂的灯。
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2. The policeman switched off the lights when he arrived at the scene.
警察到达现场时关掉了灯。
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3. The computer switches between different programs with just a few clicks.
这台电脑只需几次点击就能在不同的程序之间切换。