| 单词 | coalsack |
| 释义 | Coalsackor Coal Sack[ kohl-sak ] / ˈkoʊlˌsæk / noun Astronomy.a dark nebula in the southern constellation Crux, whose dust particles obscure light from Milky Way stars behind it. Also called Southern Coalsack. Origin of CoalsackFirst recorded in 1625–35; coal + sack1 Words nearby Coalsackcoal miner's lung, coal oil, coal pit, Coalport, coal pot, Coalsack, coal scuttle, coal seam, coal tar, coal-tar creosote, coal-tar pitch Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for CoalsackCoal Sack nouna dark nebula in the Milky Way close to the Southern Cross Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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