纯色岩燕 chúnsèyányàn dusky crag martin Definitions Defs Origin Strokes Stroke Words Sentences Sents 纯色岩燕 純色岩燕 chúnsèyányàn dusky crag martin (bird species of China) dusky crag martin; Ptyonoprogne concolor
纯色岩燕 純色岩燕 chúnsèyányàn dusky crag martin (bird species of China) dusky crag martin; Ptyonoprogne concolor