“Barnard's loop”的概念、定义、翻译、参考文献-科学参考

单词	Barnard's loop
释义	Barnard's loop [`bär·nǝrdz ´lüp] ^ASTRONOMY A large emission nebula, about 10° by 140° in size, around the central portion of Orion, that consists of an expanding shell of gas that probably originated in a supernova.
随便看	benzthiazuron benzyl benzyl acetate benzylacetone benzyl alcohol benzylamine benzyl benzoate benzyl bromide benzyl chloride benzyl chloroformate benzyl cinnamate benzyl cyanide benzyl ether benzyl ethyl ether benzyl fluoride benzyl formate benzylideneacetone benzyl isoeugenol benzyl mercaptan benzyl penicillinic acid benzyl penicillin potassium benzyl penicillin sodium benzyl propionate benzyl salicylate benzyne

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