名词
中文翻译：Unknown
同义词：
['nebula', 'nebulosity', 'nebulosity']
例句：
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1. The starry sky is filled with countless nebulae.
夜空中充满了无数的星云。
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2. The nebulosity of the galaxy is awe-inspiring.
银河的星云形态令人敬畏。
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3. The nebulosity of the Milky Way is truly breathtaking.
银河的星云形态真是令人叹为观止。