动词短语
中文翻译：开启
同义词：
['turn on', 'activate', 'set up']
例句：
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1. The lights are switched on in the living room.
客厅的灯已经打开了。
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2. The new computer software needs to be switched on before use.
在使用之前，新的电脑软件需要被开启。
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3. After switching on the power, the television began to work.
开启电源后，电视开始工作了。