penetrated
词形变化：
名词: penetrator | 动词过去式: penetrated | 动词过去分词: penetrated | 动词现在分词: penetrating | 动词第三人称单数: penetrates |
penetrated
词形变化：
名词: penetrator | 动词过去式: penetrated | 动词过去分词: penetrated | 动词现在分词: penetrating | 动词第三人称单数: penetrates |