常見例句雙語例句For 100 years astronomers have paid particular attention to a class of variable star known as the Cepheids.過去100年來,天文學家特別注意一類稱作“仙王座變光星”的恒星。The Sun is not considered a variable star, but it does undergo periodic changes in activity known as the sunspot cycle.太陽是不被認爲是變星,但它的變化進行定期的活動被稱爲太陽黑子周期。blog.sina.com.cnIt's a variable star, Omicron Ceti, whose proper name is Mira.鯨魚座的o星是一顆變星,它的固有名爲蒭藁增二。原聲例句His first great discovery was made when he recognized a Cepheid variable star. 返回 variable star