单词	R and D
释义	R and D abbreviation or noun ˌär-ən-ˈdē : research and development Word History First Known Use 1952, in the meaning defined above
随便看	samolusses Samos samosa samosas Samosatenian samothere Samotherium Samothrace samothracian samothracians samothráki samovar samovars Samoyed samoyede samoyedes samoyedic samoyedics samoyeds samp sampaguita Sampaio sampaloc sampan sampans

英语词典包含469781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。