英语词汇research and development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	research and development
释义	research and developmentn. (in industry etc.) work directed towards the innovation, introduction, and improvement of products and processes (产品、工艺等的)研究和开发，研发
随便看	retroact retroaction retroactive retroactively retroactivity retrocede retrocedence retrocedent retrocession retrocessive retrochoir retrod retrodden retrofit retroflex retroflexion retrogradation retrograde retrogradely retrogress retrogression retrogressive retrogressive retroject retro-rocket

英汉双解词典包含94788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。