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.research and development 研究与开发[亦作R & D]
随便看	covalences covalent covalent binding covalent bond covalent compound covalent crystal covalent hydride covalently covariance covariance matrix covariances covariant covariant differential covariant functor covariant index covariants covariant tensor covariant theory covariant vector cove cove beach coved coved vault covellite covellites

英汉双解词典包含483723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。