A lip or perch at the edge where birds can alight before entering the water is an advantage.
A lip or perch at the edge where birds can alight before entering the water is an advantage.
最好在边缘弄点东西，便于鸟类降落在上面。
A lip or perch at the edge where birds can alight before entering the water is an advantage.
最好在边缘弄点东西，便于鸟类降落在上面。