smoke detector編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看smoke detectorsmoke detector — 名詞名詞1. a device that senses smoke and sounds an alarm1.名詞釋義煙霧偵測器a device that senses smoke and sounds an alarm例句Make sure the smoke detector in the hallway has fresh batteries.