单词	ma huang
释义	ma huang noun ˈmä-ˈhwäŋ  1 : the chiefly dried stems and roots of any of several eastern Asian ephedras (especially Ephedra sinica) that yield ephedrine 2 : ephedra sense 2 Word History Etymology Chinese (Beijing) máhuáng First Known Use 1926, in the meaning defined at sense 1 Medical Definition ma huang noun ˈmä-ˈhwäŋ 1 : the chiefly dried stems and roots of any of several eastern Asian ephedras (especially Ephedra sinica) that yield ephedrine 2 : ephedra sense 2 … herbal stimulants such as ma huang (ephedra) can cause dangerously high blood pressure and irregular heart rhythms. William Haskell, Newsweek
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