资料来源 : pyDict

有益的,有帮助的

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Beneficial \Ben`e*fi"cial\, a. [Cf. F. b['e]n['e]ficial, LL.
   beneficialis.]
   1. Conferring benefits; useful; profitable; helpful;
      advantageous; serviceable; contributing to a valuable end;
      -- followed by to.

            The war which would have been most beneficial to us.
                                                  --Swift.

   2. (Law) Receiving, or entitled to have or receive,
      advantage, use, or benefit; as, the beneficial owner of an
      estate. --Kent.

   3. King. [Obs.] ``A beneficial foe.'' --B. Jonson.

   Syn: See {Advantage}.

资料来源 : WordNet®

beneficial
     adj 1: promoting or enhancing well-being; "an arms limitation
            agreement beneficial to all countries"; "the
            beneficial effects of a temperate climate"; "the
            experience was good for her" [syn: {good}]
     2: tending to promote physical well-being; beneficial to
        health; "beneficial effects of a balanced diet"; "a good
        night's sleep"; "the salutary influence of pure air" [syn:
         {good}, {salutary}]