diphenhydramine 📖 中文释义 [化] 苯海拉明[医] 苯海拉明 📘 English Definition（英文释义） n. antihistamine (trade name Benadryl) used to treat allergic reactions involving the nasal passages (hay fever) and also to treat motion sickness ← diphenesenic acid D 字母词表 diphenhydramine elixir →