名词
中文翻译：切断装置
同义词：
['disconnector', 'cut-off switch', 'circuit breaker']
例句：
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1. The engineer used a cut-off device to disconnect the power source.
工程师使用切断装置来断开电源。
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2.During an emergency, the firefighters used a cut-off device to isolate the affected area.
在紧急情况下，消防员使用切断装置来隔离受影响区域。
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3.The circuit breaker tripped during the storm, cutting off all electrical power to the building.
风暴期间，断路器跳闸，切断了大楼的所有电力。