1. 動詞
   hum第三者單數現在式:
   不及物動詞:
   發嗡嗡聲
   嗡嗡叫
   發哼哼聲
   閉口哼歌
   忙碌, 活躍
   順利運行
   興隆起來
   及物動詞:
   

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   同義字詞
   abound,brim,bristle,bulge,burst,bustle,buzz,crawl,overflow,swarm,teem
   bumble,burr,buzz,drone,whir,whirr,whish,whiz,whizz,zip,zoom
   

例句

1. Fletch hums the old "Dragnet" theme.
2. The rest of the production hums along.
3. The phone rings and hums against my hand.
4. But "Iron Man 2" hums along quite nicely".
5. Time hums in the warmth of his cupped hands.
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