1. On then-meadows and hayfields there is birch coppice chirping joyfully. Flocks of thousand of migrating birds feed upon banks of fenny rivers.在当时的湿草甸和秣草地，桦树林里鸟群欢快的歌唱，成千上万的迁移鸟群依靠沼泽河流而生存。来自互联网

2. On then-meadows and hayfields there is birch coppice chirping joyfully. Flocks of thousand of migrating birds feed upon banks of fenny rivers.在当时的湿草甸和秣草地，桦树林里鸟群欢快的歌唱，成千上万的迁移鸟群依靠沼泽河流而生存。来自互联网