首頁›Browse›O›off-patent drugoff-patent drug編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看off-patent drugoff-patent drug — 名詞名詞1. a drug whose patent has expired, allowing generic versions1.名詞釋義專利過期藥a drug whose patent has expired, allowing generic versions例句Many off-patent drugs are sold at lower prices.