单词 | radio source |
释义 | radio source (once / 328315 pages) n WORD FAMILY radio source: radio sources USAGE EXAMPLESScientists noted the presence of masers, intense radio sources that are observed almost exclusively in late-stage stars. Time(Aug 30, 2016) The word “quasar” is an acronym for “quasi-stellar radio source.” Carl Sagan, Cosmos(1980) The name is short for 'quasi-stellar radio sources' and they are believed to be discs of matter swirling around black holes. BBC(Jan 26, 2016) n an object that radiates radio waves Hyper radiator any object that radiates energy |
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