| 词汇 | RDA |
| 释义 | RDABrE /ˌɑː diː ˈei/ NAmE /ˌɑːr diː ˈei/ abbreviation recommended daily allowance or recommended dietary allowance (the amount of a chemical , for example a vitaminor a mineral , which you should have every day )（维生素或矿物质等的）建议每日摄取量（全写为 recommended daily allowance 或 recommended dietary allowance） |
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