名词
中文翻译：Unknown
同义词：
['subordinate switch', 'secondary switch', 'minor switch']
例句：
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1. This lightswitch is easy to operate, even for a child.
这个开关很容易操作，即使是孩子也能轻松使用。
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2. The engineer found the minor switch and turned it off.
工程师找到了次要开关并关闭了它。
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3. The car's engine has a minor switch that controls the air conditioning.
汽车的引擎有一个次要开关，可以控制空调。