单词	underclay
释义	underclay noun : a layer of clay beneath a coal bed often containing fossil roots of coal plants and constituting fireclay Word History Etymology under entry 3 + clay
随便看	animae mundi animal animal bipes implume animal black animal cellulose animal charcoal animal control animal cracker animal dance animal electricity animal faith animal flower animal glue animal heat animal husbandman animal husbandry animal hypnosis animal kingdom animal magnetism animal mechanics animal model animal mound animal oil animal pole animal rightist

英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。