柯林斯词典cuckoo /ˈkʊkuː/ (cuckoos) 1. N-COUNT A cuckoo is a bird that has a call of two quick notes, and lays its eggs in other birds' nests. 杜鹃; 布谷鸟 返回 cuckoo剑桥词典a grey bird with a two-note call that sounds similar to its name . Cuckoos lay their eggs in other birds ' nests . 杜鹃（鸟），布谷鸟 返回 cuckoo