名词
中文翻译：天体
同义词：
['star', 'celestial body']
例句：
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1.The sky was filled with stars as thenight sky darkened.
夜幕降临时，天空布满了星星。
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2. Theastronaut was excitedto see the constellationof Orion.
宇航员看到猎户座时非常兴奋。
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3. The skyboltis a rare and valuable gemstone.
天体是稀有且珍贵的宝石。