Warbler: Arctic, wingbars can wear off no problem. Several dark-legged birds came through in spring.

莺：极北柳莺，翼带可能磨损，没问题。有几只暗色脚的在春季时经过。

youdao

Warbler: Arctic, wingbars can wear off no problem. Several dark-legged birds came through in spring.

莺：极北柳莺，翼带可能磨损，没问题。有几只暗色脚的在春季时经过。

youdao