| 单词 | earth coal |
| 释义 | Definition of earth coal in English:earth coalnoun historical
OriginMid 16th century; earliest use found in John Leland (c1503–1552), poet and antiquary. Definition of earth coal in US English:earth coalnoun historical
OriginMid 16th century; earliest use found in John Leland (c1503–1552), poet and antiquary. |
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