humming

名词 humming:

1. a humming noise
   同义词：hum
2. the act of singing with closed lips

动词 hum:

1. sing with closed lips
   同义词：hum
2. be noisy with activity
   同义词：hum, buzz, seethe
3. sound with a monotonous hum
   同义词：hum, thrum
4. make a low continuous sound
   同义词：hum

1. The hall was humming with the sad music.
   大厅里充满了低沉的令人伤感的乐声。
2. She was humming to herself.
   她独自哼着歌。
3. She is humming a popular song.
   她在哼一支流行歌曲。
4. I can't stop humming that awful jelly jingle.
   我忍不住常哼那支难听的果冻广告歌。