| 单词 | ruby-backed | 
| 释义 | Definition of ruby-backed in English:ruby-backedadjective 
 OriginLate 19th century; earliest use found in The Pall Mall Gazette. Definition of ruby-backed in US English:ruby-backedadjective 
 OriginLate 19th century; earliest use found in The Pall Mall Gazette.  | 
	
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