柯林斯詞典cuckoo /?k?ku?/ (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. 杜鵑; 布谷鳥 返回 cuckoo劍橋詞典a grey bird with a two-note call that sounds similar to its name . Cuckoos lay their eggs in other birds ' nests . 杜鵑（鳥），布谷鳥 返回 cuckoo