erad·i·cate /ɪˈrædəˌket/
  (vt.)根除,撲滅,根絕,消滅
  E·rad·i·cate v. t. [imp. & p. p. Eradicated p. pr. & vb. n. Eradicating ]
  1. To pluck up by the roots; to root up; as, an oak tree eradicated.
  2. To root out; to destroy utterly; to extirpate; as, to eradicate diseases, or errors.
     This, although now an old an inveterate evil, might be eradicated by vigorous treatment.   --Southey.
  Syn: -- To extirpate; root out; exterminate; destroy; annihilate.
  ◄ ►
  eradicate
       v 1: kill in large numbers; "the plague wiped out an entire
            population" [syn: eliminate, annihilate, extinguish,
             wipe out, decimate, carry off]
       2: destroy completely, as if down to the roots; "the vestiges
          of political democracy were soon uprooted" [syn: uproot,
           extirpate, exterminate]