writtenbyEricWalters的精选

问题详情：Book1 Elixir   writtenbyEricWalters   Twelve-year-oldRothbecomesafriendofDr.Bantingandhisassistant,Mr.Best,whoaredoingresearchonacurefordiabetes(糖尿病).Shefindsherselftornbetweenhersym...