warble

US /ˈwɔːr.bəl/
UK /ˈwɔːr.bəl/
"warble" picture
1.

啭鸣, 轻声哼唱

to sing in a soft, low voice, especially with a trilling or quavering sound

:
The bird began to warble a sweet melody.
小鸟开始啭鸣起甜美的旋律。
She would often warble old folk songs.
她经常轻声哼唱老民歌。
1.

啭鸣声, 潺潺声

a trilling or quavering vocal sound, especially that of a bird

:
The sweet warble of the nightingale filled the air.
夜莺甜美的啭鸣声充满了空气。
She listened to the gentle warble of the stream.
她聆听着小溪轻柔的潺潺声