| 单词 | sign talk | 
| 释义 | Definition of sign talk in English:sign talknoun 
 OriginMid 19th century; earliest use found in John MacGregor (1825–1892), philanthropist and traveller. Definition of sign talk in US English:sign talknoun 
 OriginMid 19th century; earliest use found in John MacGregor (1825–1892), philanthropist and traveller.  | 
	
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