名词
中文翻译：甲烷警报器
同义词：
['methane detector', 'methane sensor']
例句：
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1.The methane alarm went off when the gas leaked into the room.
气体泄漏时，甲烷警报器响了。
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2.The methane alarm was triggered by a sudden drop in temperature.
温度突然下降触发了甲烷警报器。
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3. The methane alarm is designed to alert people of potential dangers from natural gas leaks.
甲烷警报器旨在提醒人们注意天然气泄漏的潜在危险。