warbled

1.he warbled in an implausible soprano.

他用柔和的颤声唱出难置信的女高音。

2.they warbled incessantly, their throat feathers ruffled.

它们不停，喉部的羽毛竖了起来。

3.The brook warbled over its rocky bed.

小潺潺流过多石的河床。