名詞 celestial body:

1. natural objects visible in the sky
   同義詞：heavenly body

1. The passage of a smaller celestial body or its shadow across the disk of a larger celestial body.
   掩星一個較小的星體或它的陰影通過一個較大天體的圓平面
2. The position of a celestial body when it is separated from another by a45= angle.
   八分圓一個天體當(dāng)它成45°角與另一天體分離時所處的位置
3. The path of a celestial body or an artificial satellite as it revolves around another body.
   運行軌道天體繞另一天體或人造衛(wèi)星繞一天體旋轉(zhuǎn)所運行的軌道
4. The highest point in the sky reached by the sun or another celestial body; a zenith.
   天頂太陽或別的天體在天空中所達到的最高點; 天頂