| 释义 |
rdaRDA /ˌɑr di ˈeɪ / abbreviation (health医疗保健) the amount of an important substance, such as a vitamin or a mineral, which you should have every day. RDA is short for “recommended daily allowance.”（维生素或矿物质等的）建议每日摄入量（全写为 recommended daily allowance） |