variable star

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(xué)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(rèn)為是變星，但它的變化進(jìn)行定期的活動被稱為太陽黑子周期。
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• It's a variable star, Omicron Ceti, whose proper name is Mira.
  鯨魚座的o星是一顆變星，它的固有名為蒭藁增二。

原聲例句

• His first great discovery was made when he recognized a Cepheid variable star.
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