单词	Coalsack
释义	Coalsack /ˈkəʊlsak / Astronomy A dark nebula of dust near the Southern Cross that gives the appearance of a gap in the stars of the Milky Way.
随便看	omphalosceptic omphaloscopy omphaloskepsis omphaloskeptic omphaloskeptical OMR omrah Omsk omul o-muraji omuraji on -on Ona on a budget on account of on (a) collision course on a dime on a full (or an empty) stomach on-again off-again onager onagraceous onagrad on-air on a level with

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