cuckoo 名词复数：cuckoos 过去式：cuckooed 过去分词：cuckooed 现在进行时：cuckooing 词形变化： 名词复数: cuckoos | 动词过去式: cuckooed | 动词过去分词: cuckooed | 动词现在分词: cuckooing | 动词第三人称单数: cuckoos |
