dulcet
adjective uk/ˈdʌl.sət/ us/ˈdʌl.sət/
literary柔和动听的，轻柔悦耳的
Dulcet sounds are soft and pleasant to listen to.
someone's dulcet tones humorous 说话声，嗓音
a person's voice
I thought I heard your dulcet tones down here.
Was that Isabel's dulcet tones I heard just now?
My day began with the dulcet tones of my neighbour shouting at her husband.
I look forward to hearing your dulcet tones again soon.
Ah, yes, the dulcet tones of a screaming baby - just what I was hoping for on this flight.