资料来源 : WordNet®

black snakeroot
     n 1: deciduous low-growing perennial of Canada and eastern and
          central United States [syn: {Canada ginger}, {Asarum
          canadense}]
     2: North American bugbane found from Main and Ontario to
        Wisconsin and south to Georgia [syn: {black cohosh}, {rattle-top},
         {Cimicifuga racemosa}]