灰柳莺 huīliǔyīng sulphur-bellied warbler Definitions Defs Origin Strokes Stroke Words Sentences Sents 灰 huī adjective gray the color between black and white; ash-colored柳莺 柳鶯 liǔyīng willow warbler leaf warbler; small bird of the genus Phylloscopus, typically greenish or brownish in color and found in forests and shrubs feeding on insects