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	ranvier disks ranvier, gabriel ranvier, louis a ranvier, louis a. ranvier membrane ranvier node ranvier plexus ranvier segment ranvier's node ranvier's nodes ranvier tactile disks ranvier’s membrane ranvr ranw ranwa ranwc ran wild ran with the hare and hunt with the hounds ranwr ranxpe ranz ranzco ranzcog ranzcp ranzcr

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