英语词汇R and D怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	R and D
释义	R and D abbr 缩写 = (commerce 商) research and development 研究与开发.
随便看	prelim preliminary prelude premarital premature premeditate premeditation premenstrual tension premier premiere premise premises premium Premium Bond premonition premonitory pre-natal preoccupation preoccupied preoccupy pre-ordain prep pre-package preparation preparatory

英汉双解词典包含38652条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。