单词	ultramicrochemistry
释义	ultramicrochemistry noun ul·​tra·​microchemistry "+ : chemistry dealing with very minute quantities of substances (as a microgram or less) compare microchemistry Word History Etymology ultramicro- + chemistry
随便看	reexpose reexposed reexposes reexposing reexposure reexposures reexpress reexpressed reexpresses reexpressing reexpression reexpressions reextent ref refabricatia refabrications reface refaced refaces refacimenti refacimento refacimentos refacing refaction refactoring

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。