成群的鸟聚集在湖边。
Huge numbers of birds had flocked together by the lake.
杜鹃在其他鸟的巢中产蛋。
The cuckoo lays its eggs in other birds' nests.
蓝鸟队有机会囊括这一系列比赛的冠军。
The Blue Jays have a chance to sweep the series.
这种鸟白天不常见。
You don't often see this bird in daytime.
一只知更鸟在地上啄食面包渣。
A robin was pecking at crumbs on the ground.