liven 过去式:livened 过去分词:livened 现在进行时:livening 词形变化: 动词过去式: livened | 动词过去分词: livened | 动词现在分词: livening | 动词第三人称单数: livens | 同义词: enliven | boost | cheer up | energize | perk up | quicken | animate | liven up | invigorate | 反义词: deaden |