Read Edit View history 暗背雨燕 ànbèiyǔyàn dark-rumped swift Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 暗背雨燕 · ànbèiyǔyàn · dark-rumped swift 2026/03/04 暗背雨燕 ànbèiyǔyàn dark-rumped swift a bird species of China, the dark-rumped swift (Apus acuticauda) 暗背雨燕在中国是一种罕见的鸟类。 created sense Mar 4, 2026, 02:25 AM