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  1. Davy lamp

    • IPA[ˈdeɪvi læmp]
    • n.
      戴維安全燈
    • 名詞複數:Davy lamps

  2. 知識+

    • 20點 急~急!!!! 英文”小”短文

      ...burn hundreds of hours as long as it [the lamp] contains a high resistance (電阻) [filament] in a very... the light bulb? No, Humphry Davy was the first person who invented the...