资料来源 : pyDict

嗡嗡声,哼声,杂声发低哼声闭口哼歌,嗡嗡叫

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

Hum \Hum\, v. t.
   1. To sing with shut mouth; to murmur without articulation;
      to mumble; as, to hum a tune.

   2. To express satisfaction with by humming.

   3. To flatter by approving; to cajole; to impose on; to
      humbug. [Colloq. & Low]

Hum \Hum\, n.
   1. A low monotonous noise, as of bees in flight, of a swiftly
      revolving top, of a wheel, or the like; a drone; a buzz.

            The shard-borne beetle with his drowsy hums. --Shak.

   2. Any inarticulate and buzzing sound; as:
      (a) The confused noise of a crowd or of machinery, etc.,
          heard at a distance; as, the hum of industry.

                But 'midst the crowd, the hum, the shock of men.
                                                  --Byron.
      (b) A buzz or murmur, as of approbation. --Macaulay.

   3. An imposition or hoax.

   4. [Cf. {Hem}, interj.] An inarticulate nasal sound or
      murmur, like h'm, uttered by a speaker in pause from
      embarrassment, affectation, etc.

            THese shrugs, these hums and ha's.    --Shak.

   5. [Perh. so called because strongly intoxicating.] A kind of
      strong drink formerly used. [Obs.] --Beau. & Fl.

   {Venous hum}. See under {Venous}.

Hum \Hum\, v. i. [imp. & p. p. {Hummed}; p. pr. & vb. n.
   {Humming}.] [Of imitative origin; cf. G. hummen, D. hommelen.
   [root]15.]
   1. To make a low, prolonged sound, like that of a bee in
      flight; to drone; to murmur; to buzz; as, a top hums. --P.
      Fletcher.

            Still humming on, their drowsy course they keep.
                                                  --Pope.

   2. To make a nasal sound, like that of the letter m
      prolonged, without opening the mouth, or articulating; to
      mumble in monotonous undertone; to drone.

            The cloudy messenger turns me his back, And hums.
                                                  --Shak.

   3. [Cf. {Hum}, interj.] To make an inarticulate sound, like
      h'm, through the nose in the process of speaking, from
      embarrassment or a affectation; to hem.

   4. To express satisfaction by a humming noise.

            Here the spectators hummed.           --Trial of the
                                                  Regicides.

   Note: Formerly the habit of audiences was to express
         gratification by humming and displeasure by hissing.

   5. To have the sensation of a humming noise; as, my head
      hums, -- a pathological condition.

Hum \Hum\, interj. [Cf. {Hem}, interj.]
   Ahem; hem; an inarticulate sound uttered in a pause of speech
   implying doubt and deliberation. --Pope.

资料来源 : WordNet®

hum
     n 1: the state of being or appearing to be actively engaged in an
          activity; "they manifested all the busyness of a pack of
          beavers"; "there is a constant hum of military
          preparation" [syn: {busyness}]
     2: an Islamic fundamentalist group in Pakistan that fought the
        Soviet Union in Afghanistan in the 1980s; now operates as
        a terrorist organization primarily in Kashmir and seeks
        Kashmir's accession by Pakistan [syn: {Harkat-ul-Mujahidin},
         {Harkat ul-Ansar}, {HUA}, {Harkat ul-Mujahedeen}, {Al
        Faran}, {Movement of Holy Warriors}]
     3: a humming noise; "the hum of distant traffic" [syn: {humming}]
     [also: {humming}, {hummed}]

hum
     v 1: sing with closed lips; "She hummed a melody"
     2: be noisy with activity; "This office is buzzing with
        activity" [syn: {buzz}, {seethe}]
     3: sound with a monotonous hum [syn: {thrum}]
     4: make a low continuous sound; "The refrigerator is humming"
     [also: {humming}, {hummed}]