白腰燕鸥 báiyāoyàn'ōu Aleutian tern Definitions Defs Origin Strokes Stroke Words Sentences Sents 白 bái adjective white white; snowy; pure; bright; (literary) white; bright腰 yāo noun waist waist; the small of the back燕鸥 燕鷗 yàn'ōu tern A sea bird of the tern subfamily, typically having a slender beak, webbed feet, and a long forked tail. Known for their long-distance migration, most notably by the Arctic tern.
