单词	ultramicron
释义	ultramicron noun ul·​tra·​micron "+ : submicron Word History Etymology ultra- + micron
随便看	coal measures coal oil coal passer coal pipe coal plant coal pocket coal road coal scuttle coal seam coal tar coal tit coal-oil brush coal-scuttle bonnet coal-tar dye coal-whipper coala coalas coalballs coalbins coalboxes Coalbrookdale coaled hotfoots (it) hotfoots it hotfootter

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。