astronomy [əˈstrɒnəmi]
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基本释义
n.天文学
英英释义
the scientific study of the universe and of objects which exist naturally in space , such as the moon , the sun , planets and stars
参考例句
Mathematics is connected with astronomy. 数学与天文学有联系。
Astronomy is an abstract subject. 天文学是一门深奥的学科。
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