recur 过去式:recurred 过去分词:recurred 现在进行时:recurring 词形变化: 名词: recurrence | 动词过去式: recurred | 动词过去分词: recurred | 动词现在分词: recurring | 动词第三人称单数: recurs | 词义辨析: 同义: vi.返回 repeat return come again