warble

1. V-T/V-I When a bird warbles, it sings pleasantly. (鸟) 鸣啭; 啁啾

The bird continued to warble. 鸟儿继续啁啾。

...birds warbling a morning chorus. …鸟儿们齐唱晨曲。

2. V-T/V-I If someone warbles, they sing in a high-pitched, rather unsteady voice. 用颤音高唱

She warbled as she worked. 她一边干活一边颤声高唱。

...singers warbling "Over the Rainbow."

…歌手们颤声高唱着《彩虹那一端》。

3. N the act or an instance of warbling 颤音

4. N a small lumpy abscess under the skin of cattle caused by infestation with larvae of the warble fly (由于牛蝇幼虫寄生而形成的)牛皮下的肿块