单词	R.D.
释义	R.D.R.D. /ˌɑː ˈdiː $ ˌɑːr-/ noun [uncountable] American English (rural delivery) the postal system for country areas
随便看	Grace, Princess Graces, The Grace, W.G. gracious graciously graciousness grad gradability gradable gradation grade grade crossing graded grade inflation Grade, Lew grade point average -grader grade school Gradgrind, Mr gradient grad school gradual gradually graduate graduated

英语词典包含52748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。