名词
中文翻译：死胡同开关
同义词：
['dead end switch', 'dead-end switch', 'dead-end switch']
例句：
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1. Theold house had a dead-end switch that was difficult to find.
那所旧房子有一个很难找到的死胡同开关。
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2.The engineer replaced the dead-end switch with a new one.
工程师用一个新的替换了死胡同开关。
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3. The old man used his dead-end switch to turn off the lights.
那个老人用他的死胡同开关来关灯。