hum

US /hʌm/
UK /hʌm/
"hum" picture
1.

嗡嗡作响, 哼唱

make a low, steady continuous sound like that of a bee

:
The refrigerator started to hum loudly.
冰箱开始大声嗡嗡作响
Bees hum as they fly from flower to flower.
蜜蜂从一朵花飞到另一朵花时会嗡嗡作响
2.

哼唱

sing with closed lips, without articulating words

:
She likes to hum a tune while she works.
她喜欢在工作时哼唱一首曲子。
He was humming softly to himself.
他轻轻地哼着歌。
1.

嗡嗡声, 哼唱声

a low, continuous, and indistinct sound

:
The constant hum of the air conditioner was annoying.
空调持续的嗡嗡声很烦人。
I could hear the distant hum of traffic.
我能听到远处交通的嗡嗡声