ˇㄧㄢˋyǔyàn

  1. 形似燕子翅膀鱗片種類成群活動築巢岩壁縫隙屋簷唾液飛行快速敏捷飛行捕食昆蟲

swift, Apodidae (the swift family)​
Apodidae
dadurch (Konj)​, schnellen (V)​