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  1. hum

    • IPA[hʌm]

    英式

    • v.
      make a low, steady continuous sound like that of a bee;sing with closed lips
    • n.
      a low, steady continuous sound;an unwanted low-frequency noise in an amplifier caused by variation of electric current, especially the alternating frequency of the mains.
    • verb: hum, 3rd person present: hums, gerund or present participle: humming, past tense: hummed, past participle: hummed

    • 釋義
    • 片語

    動詞

    名詞

    • 1. a low, steady continuous sound the hum of insects a low hum of conversation
    • an unwanted low-frequency noise in an amplifier caused by variation of electric current, especially the alternating frequency of the mains.

    片語