Cepheid
['si:fiid]
- n. 造父变星；仙王星座的变光星
实用场景例句
- 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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- 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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