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	grosseto, italy gross, evgenii gross, evgenii fedorovich grosse windanlage gross expenditure on research and development ilssr ilst ils t&e il suffira d'un signe il-sung kim ilswg ilt ilt2 ilt3 ilta iltab ilta-sanomat iltc il-tce iltci iltcip iltco iltcp iltd ilte

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