fda是什么意思
音标:英 [ˌef di: ˈeɪ]美 [ˌefdi:’eɪ]
abbr. （美）食品及药物管理局（Food and Drug Administration）
n a federal agency in the Department of Health and Human Services established to regulate the release of new foods and health-related products
fda的用法和例句：
1.
it’s a drug patented but not approved by the fda.
是一种食品及药物管理局未经批准的专利药物
