| 单词 | RDA |
| 释义 | RDARDA /ˌɑr di ˈeɪ/ noun [singular] (recommended daily allowance) medicine the amount of substances such as vitamins, minerals, or calories that the Food and Nutrition Board of the U.S. National Research Council says you should have each day |
| 随便看 |
英语词典包含48224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。