vi. (-mm-) 1.(蜜蜂等)嗡嗡叫。 2.(在嘴里)咕咕哝哝，磕磕巴巴；哼；哼曲子。 3.〔口语〕(事业等)变得有生气；忙碌；活跃起来。 4.〔俚语〕发出恶臭。 My head hums. 头发昏。 vt. 1.哼(歌曲)。 2.哼歌哄(小孩等)。 短语和例子 hum a child to sleep 哼着歌哄孩子入睡。 hum along (汽车等)一路发出嗡嗡声前进。 hum and ha [haw] (无词可答而)支支吾吾，结结巴巴；〔比喻〕踌躇，犹豫。 make things hum 〔口语〕使有活气，使兴旺。 n. 1.嗡嗡声；哼哼声；嘈杂声。 2.〔俚语〕恶臭。 int. 哼!〔表示轻蔑、踌躇、怀疑等〕。 n.,vt. (-mm-) 〔口语〕欺骗。
a humming noise; "the hum of distant traffic" 同义词：humming,
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" 同义词：busyness,
sing with closed lips; "She hummed a melody"
make a low continuous sound; "The refrigerator is humming"
sound with a monotonous hum 同义词：thrum,
be noisy with activity; "This office is buzzing with activity" 同义词：buzz, seethe,
例句与用法
1.
She heard the hum of voices in the house . 她听见了屋子里的嘈杂声。
2.
All around was a drowsy hum of insects . 到处是一片小虫的催眠似的嗡嗡声。
3.
Alexandra hummed an old swedish hymn . 亚历山德拉哼起了一首古老的瑞典歌曲。
4.
He hummed and hawed , giving no definite reply .. 他闪烁其词，不做肯定答复。
5.
There was the hum of conversation in the next room . 隔壁房间里有嗡嗡的谈话声。
6.
Hum the opening bars of your favorite tune . 哼一哼你喜爱的曲子的开头几个小节。
7.
Ben franklin, seven years old, hummed softly . 七岁的本富兰克林柔声哼着小调。
8.
Bees are humming [buzzing] around from flower to flower . 蜜蜂在花丛中嗡嗡地飞来飞去。
9.
The earth was still vibrating, the rails still humming . 大地还在震动，轨道还在营营的响。
10.
Within the lounge the peaceful hum of conversation stopped . 酒吧间里轻声低语的谈话声中止了。
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