| 单词 | white-headed duck | 
| 释义 | Definition of white-headed duck in English:white-headed ducknoun 
 OriginLate 18th century; earliest use found in John Latham (1740–1837), naturalist. Definition of white-headed duck in US English:white-headed ducknoun 
 OriginLate 18th century; earliest use found in John Latham (1740–1837), naturalist.  | 
	
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