radio sourceˈreidiəusɔ:s短语⁴²³⁰² 基本英英例句 无线电源,射频源 Noun: an object that radiates radio waves Even then, although it is the brightest radio source in the sky outside the solar system, optical telescopes could not locate it for several years. 从那时起，尽管它是太空中除太阳系外最亮的放射源，光学望远镜在数十年的时间里却不能给它准确定位。 ecocn