英语词汇“coal ball”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	coal ball
释义	coal ball noun 1A ball made of coal dust, for use as fuel (now rare ). 2 Geology a rounded mass of calcite or pyrite containing fossilized plant remains, typically found in or near coal seams. Origin Early 17th century; earliest use found in Hugh Platt (bap. 1552, d. 1608), writer on agriculture and inventor.
随便看	illocution illocutionary illogic illogical illogicality illogically ill-omened ill-organised ill-organized ill-prepared ill-proportioned ill repute I'll say ill-shaped ill-smelling ill-starred ill-suited ill temper ill-tempered ill-temperedly ill-thought-out ill-timed ill-treat ill treatment illude

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coal ball