英语词汇concentration of r&d sites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	concentration of r&d sites
释义	concentration n — 集中 n • 浓度 n • 含量 n • 浓度 n concentration — 浓缩 • 凝缩 sites pl — 址 n • 地点 pl • 遗址 pl of — 的 site — 址 • 场地 • 地点 • 所在地 site n — 站点 n • 用地 n • 网站 n site v — 安放 v • 为...提供场所 v
随便看	childcare arrangements child care benefit child care center childcare children childcare costs child care expenses childcare experience childcare facilities childcare for child caregiver childcare institutions child care is provided child care personnel child care places child-care policies child care policy child care practices child care products child care program childcare provision child care responsibility childcare scheme childcare structures child care subsidy child care supervision

英汉双解词典包含2273206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。

concentration n —