白冠燕尾 báiguānyànwěi white-crowned forktail Origin Definitions Defs Strokes Stroke Words Sentences Sents 白 bái adjective white white; snowy; pure; bright; (literary) white; bright冠 guān crest something shaped like a hat, such as a bird's crest or a flower's corona燕尾 yànwěi swallowtail The forked tail of a swallow