DICT.TW Dictionary Taiwan

 vastly
 (ad.)廣大地,許多,鉅大

 Vast·ly, adv. To a vast extent or degree; very greatly; immensely.
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 vastly
      adv : to an exceedingly great extent or degree; "He had vastly
            overestimated his resources"; "was immensely more
            important to the project as a scientist than as an
            administrator" [syn: immensely]