| 单词 | coal dust |
| 释义 | Definition of coal dust in English:coal dustnoun ˈkəʊl dʌst
OriginEarly 16th century; earliest use found in John Skelton (c1460–1529), poet. From coal + dust. Definition of coal dust in US English:coal dustnounˈkəʊl dʌst
OriginEarly 16th century; earliest use found in John Skelton (c1460–1529), poet. From coal + dust. |
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