sprain 名词复数:sprains 过去式:sprained 过去分词:sprained 现在进行时:spraining 词形变化: 动词过去式: sprained | 动词过去分词: sprained | 动词现在分词: spraining | 动词第三人称单数: sprains | 词义辨析: 同义参见: wrench strain1