单词	undercourse
释义	undercourse noun : a layer (as of flooring) immediately under a course of tiles : a course (as of shingles) laid beneath a covering course Word History Etymology under entry 3 + course
随便看	benzine benzine cup benziner benzines benzins Benzo dye benzo- benzoapyrenes benzoate benzoates benzocaine benzocaines benzodiazepine benzodiazepines benzodioxan benzodioxane benzoflavine benzofuran benzofurans benzohydrol benzoic acid benzoic aldehyde benzoic sulfimide benzoiccer benzoiccest

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。