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汉语拼音：niú láng xīng

古星名。河鼓二”的俗称，即天鹰座α星”。与两侧的天鹰座γ星和天鹰座β星构成扁担星”。在银河东，与银河西织女星相对。星等077，为全天第十二位亮星，呈白色光辉。直径约234万千米，距离地球16光年，距离织女星14光年。

• Altair is not as bright as Vega and Deneb.

  牛郎星不如织女星和天津四明亮.

• While more 3 stars, called the Altair.

  一边多了三颗星, 叫做牛郎星.

• We can see neither Altair or Ursa Major in the cloudy night sky.

  阴天的夜空既看不到牛郎星,也看不到北斗星.

• As our Earth turns tonight , Vega, Deneb and Altair travel westward across the sky.

  当地球上夜幕降临时, 织女星, 天津四以及牛郎星穿过长空向西移动.

• As evening deepens, look for the brightest star in between Altair and Vega.

  随着夜晚的深入, 让我们一起寻找一下位于织女星与牛郎星之间的那颗最亮的星星.

• This was followed, at the end of the 1970 s, by a machine called an apple.

  70年代末, 在牛郎星之后又出现了一种被称为“苹果”的机型.

• The next milestone about six years later was actually a kit computer called the Altair.

  下个里程碑大约六年之后实际上是一部装备计算机叫做了牛郎星.