| 释义 |
astronomy美 [ə'strɑnəmi] 英 [ə'strɒnəmi] n. stargazing,radio astronomy,astrophysics,space science 1. | 天文学the scientific study of the sun, moon, stars, planets, etc. |
n. | 1. the scientific study of the universe, especially of the motions, positions, sizes, composition, and behavior of astronomical objects. 2. the scientific study of the stars, planets, and other objects in the universe |
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