名词
中文翻译：暗星云
同义词：
['暗星云，星云例句：1. The dark diffuse nebula glowed with a faint blue light.（暗星云发出微弱的蓝色光芒。）2. The astronomer observed the dark diffuse nebula and determined its distance from Earth.（天文学家观测了暗星云并确定了它与地球的距离。）3. The dark diffuse nebula is believed to be a remnant of a supernova explosion.（暗星云被认为是超新星爆炸的遗迹。）']
例句：
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1. The dark diffuse nebula glowed with a faint blue light.
暗星云发出微弱的蓝色光芒。
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2. The astronomer observed the dark diffuse nebula and determined its distance from Earth.
天文学家观测了暗星云并确定了它与地球的距离。
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3. The dark diffuse nebula is believed to be a remnant of a supernova explosion.
暗星云被认为是超新星爆炸的遗迹。