单词 发出辐射 例句 DEFINITIVE EXAMPLES 权威例句〔emit〕Pulsars emit radiation.脉冲星发出辐射。麦克米伦高阶〔radiance〕Physics The radiant energy emitted per unit time in a specified direction by a unit area of an emitting surface.【物理学】 辐射能:单位辐...