| 释义 |
DEFINITIVE EXAMPLES 权威例句〔Cepheid〕Any of a class of intrinsically variable stars with exceptionally regular periods of light pulsation.造父变星：一类具有极规律的光波震动期的内部可变的星美国传统〔maximum〕The magnitude of the star at such a moment.变星极亮时的光度美国传统〔maximum〕The moment when a variable star is most brilliant.变星的最明亮时刻美国传统〔variable star〕A star whose brightness varies because of internal changes or periodic eclipsing of mutually revolving stars.变星：亮度因为内部变化或共同旋转星体的间歇性晦暗而变化的星美国传统〔variable〕Astronomy A variable star.【天文学】 变星：变光的星星美国传统 |