variable star

常见例句

双语例句

• For 100 years astronomers have paid particular attention to a class of variable star known as the Cepheids.
  过去100年来，天文学家特别注意一类称作“仙王座变光星”的恒星。
• The Sun is not considered a variable star, but it does undergo periodic changes in activity known as the sunspot cycle.
  太阳是不被认为是变星，但它的变化进行定期的活动被称为太阳黑子周期。
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• It's a variable star, Omicron Ceti, whose proper name is Mira.
  鲸鱼座的o星是一颗变星，它的固有名为蒭藁增二。

原声例句

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