to·coph·er·ol /toˈkɑfəˌrɔl, ˌrol/
  生育酚
  to·coph·er·ol /toˈkɑfəˌrɔl, ˌrol/ 名詞
  tocopherol
       n : a fat-soluble vitamin that is essential for normal
           reproduction; an important antioxidant that neutralizes
           free radicals in the body [syn: vitamin E, E]