单词	roof principal
释义	roof principal roof truss roof truss A structural support for a roof.
随便看	independent adoption independent advice centre independent advisory committee on development impact independent advisory group on teenage pregnancy independent advocacy services independent aftermarket independent agencies independent agency independent agent independent aircraft handling association independent amount independent amplitude and frequency modulation independent and identically-distributed random variables independent annual review independent applied research independent appraisal independent architecture review independent armored car operators association, inc independent artists company independent as a hog on ice independent assessment independent assessment plan independent assessment program independent assessment report independent assessment team

英语词典包含2567994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。