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.

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 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]