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 coal ball [′kōl ‚bȯl] (geology) A subspherical mass containing mineral matter embedded with plant material, found in coal seams and overlying beds of the late Paleozoic.
随便看	dtlb dtlc dtlcc dtld dtle dtlet dtlf dtlg dtlga dtlgr dtlh dtli dtlie dt-link dtlj dtlk dtll dtlll dtlm dtln dtlo dtlom dtlom/pf dtlompf dtloms

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