Yahoo香港字典 搜尋

  1. crystal set

    • IPA[ˈkristl set]

    美式

    • n.
      a simple early form of radio receiver with a crystal touching a metal wire as the rectifier (instead of a tube or transistor), and no amplifier or loudspeaker, necessitating headphones or an earphone.
    • noun: crystal set, plural noun: crystal sets