Cepheid

['si:fiid]
  • n. 造父变星;仙王星座的变光星

英文词源


Cepheid (n.)
type of variable star, 1904, from Delta Cephi, the name of the first such star identified, which is in the dim northern constellation Cephus, named for Greek Kepheus, a mythical king. With -id.

双语例句


1. Cepheid variable stars are stars whose brightness changes at regular periods.
造父变星是一种光线按规律周期发生变化的恒星.

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2. His first great discovery was made when he recognized a Cepheid variable star.
他的首次重大发现产生于他认识了一颗造父变星的时候.

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