coal dust
/ˈkəʊl dʌst/noun
Powdered coal; fine particles of coal.
Origin
Early 16th century; earliest use found in John Skelton (c1460–1529), poet. From coal + dust.
| 单词 | coal dust |
| 释义 | coal dust/ˈkəʊl dʌst/noun Powdered coal; fine particles of coal. Origin |
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