搜尋結果
crystal set
英式
- a simple early form of radio receiver with a crystal touching a metal wire as the rectifier (instead of a valve or transistor), and no amplifier or loudspeaker, necessitating headphones or an earphone.
noun: crystal set, plural noun: crystal sets
- 更多解釋
- IPA[ˈkristl set]
美式
- a simple early form of radio receiver with a crystal touching a metal wire as the rectifier ...
Oxford American Dictionary