The holes were sufficiently large to serve as nests.这些洞作鸟巢足够大。The birds returned to their nests and continued to incubate the eggs.鸟儿回到巢里继续孵卵。It is best to stifle curiosity and leave birds' nests alone.最好能克制住好奇心，不要去...
The cuckoo lays its eggs in other birds’ nests.杜鹃在别的鸟巢中产卵。The cuckoo lays its eggs in other birds'nests.杜鹃在别的鸟巢中产卵.It is best to stifle curiosity and leave birds' nests alone...最好能克制住好奇心，不要去碰鸟巢。Some would build...