warble

v.

鸟鸣，用柔和的颤声唱；

n.

鸟啭，颤声；

复数：warbles过去式：warbled过去分词：warbled现在分词：warbling第三人称单数：warbles

1. A blackbird was warbling from the branch.
   一只画眉鸟在枝头歌唱。

1. I heard the faint warble of Laura's voice.
   我听到劳拉那柔和的颤音。
2. The strain was solemn and affecting, sustained as it was by the pathetic warble of a voice.
   曲子既庄严又感人，是由悲怆的颤音唱出来的。

ANALYSIS OF WARBLE SONG OF THE BUDGERIGAR MELOPSITTACUS UNDULATUS
Efficacy of doramectin against warble fly larvae (Hypoderma bovis)
Further studies on the chipmunk warble, Cuterebra emasculator (Diptera: Cuterebridae).
Fatal cerebral myiasis caused by the tropical warble fly, Dermatobia hominis.
Effects of deafening on the calls and warble song of adult budgerigars (Melopsittacus undulatus)
Mating behavior and thermoregulation of the reindeer warble fly, Hypoderma tarandi L. (Diptera: Oestridae).
Suggested threshold sound pressure levels for frequency-modulated (warble) tones in the sound field
Escaping Parasitism in the Selfish Herd: Age, Size and Density-Dependent Warble Fly Infestation in Reindeer
Ophthalmomyiasis interna posterior: report of case caused by the reindeer warble fly larva and review of previous reported cases.
Birds and the Species Problem. (Scientific Books: A Systematic Review of the Genus Phylloscopus (Willow-Warblers Or Leaf-Warblers))