| 单词 | coal smut | 
| 释义 | Definition of coal smut in English:coal smutnoun 
 OriginEarly 18th century; earliest use found in John Morton (1671–1726), naturalist. Definition of coal smut in US English:coal smutnoun 
 OriginEarly 18th century; earliest use found in John Morton (1671–1726), naturalist.  | 
	
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