1. The passage of a smaller celestial body or its shadow across the disk of a larger celestial body. 
   掩星一个较小的星体或它的阴影通过一个较大天体的圆平面
2. A lunar occultation of a quasar. 
   类星体的月星掩测定
3. The configuration of the stars or planets in relation to one another. 
   星位，行或恒星的相互位置
4. The emergence of a celestial body from eclipse or occultation. 
   终切；出凌天体从蚀或掩星中的出现
5. A star in the constellation Leo, approximately43 light-years from Earth. 
   德尼波拉星狮子座的一颗恒星，距地球大约43光年

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• 1. stellar occultation
  stellar nevus 蛛状痣...stellar occultation 恒星掩星...stellar orbit 恒星轨道
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• 2. stellaroccultation
  stellarnevus蛛状痣...stellaroccultation恒星掩星...stellarorbit恒星轨道
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