“Orion Nebula”的概念、定义、翻译、参考文献-科学参考

单词	Orion Nebula
释义	Orion Nebula [ǝ`rī·ǝn `neb·yǝ·lǝ] ^ASTRONOMY A luminous cloud surrounding Ori, the northern star in Orion's dagger; visible to the naked eye as a hazy object. Also known as Great Nebula of Orion.
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