例句與用法

1. Since delta cephei was one of the earliest members of a special kind of variables being discovered , all variables in this family are called cepheid variables or simply cepheids
   星的中國(guó)名稱為造父一，由于它最早被發(fā)現(xiàn)的一種新變星類別，所以這類變星皆稱為造父變星。
2. In 1784 , john gooddricke , a 19 - year old british astronomer discovered that delta cephei was a variable star with a period of 5 . 4 days . two years later , this dumb and deaf genius suddenly passed away
   兩年后，這位聾啞天才遽然逝世，但他的發(fā)現(xiàn)卻把人類對(duì)天體距離的測(cè)度向前推展超過(guò)一億光年！仙王座的