英语释义
1
n a low continuous indistinct sound; often accompanied by movement of the lips without the production of articulate speech
2
n a schwa that is incidental to the pronunciation of a consonant
3
n an abnormal sound of the heart; sometimes a sign of abnormal function of the heart valves
4
n a complaint uttered in a low and indistinct tone
5
v speak softly or indistinctly
6
v make complaining remarks or noises under one's breath