| 单词 | blue moon |
| 释义 | blue moonSEE SYNONYMS FOR blue moon ON THESAURUS.COM Idiomsmoon (def. 16). Origin of blue moonFirst recorded in 1815–25 Words nearby blue moonblue melilot, blue merle, blue mockingbird, blue mold, blue Monday, blue moon, blue mould, Blue Mountains, blue mud, blue murder, blue myrtle Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for blue moonblue moon nounthe second full moon occurring within a calendar month once in a blue moon informal very rarely; almost never 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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