英英释义
Noun- double star 15.7 light years from Earth; the brightest star in the Aquila constellation
例句
用作名词(n.)- Altair is not as bright as Vega and Deneb.牵牛星不像织女星和天津四那样亮。
- Well, Altair is noticeable as a bright star with two fainter stars on either side of it.牵牛星比较明显，在这颗明亮的星星两边各有一颗较暗的星星。
- 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。
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