infestation 名词复数:infestations 词形变化: 名词: infestation | 动词过去式: infested | 动词过去分词: infested | 动词现在分词: infesting | 动词第三人称单数: infests | 同义词: sterility | barrenness | poverty | aridity | unfruitfulness | 反义词: fertility |