unbolt 过去式:unbolted 过去分词:unbolted 现在进行时:unbolting 词形变化: 动词过去式: unbolted | 动词过去分词: unbolted | 动词现在分词: unbolting | 动词第三人称单数: unbolts | 同义词: unlock | unfasten | open | unscrew | release | unhook | undo | 反义词: bolt | 词义辨析: 同义参见: unlock