unscrew

详细解释:vt. 旋开, 旋松
vi. 旋开, 旋松

词型变化：

动词过去式:unscrewed过去分词:unscrewed现在分词:unscrewing第三人称单数:unscrews

英语解释：

动词 unscrew:

loosen something by unscrewing itloosen by turning

例句：

The Officer unscrewed the cap and put the bottle to his nostrils.那位官员拧开了瓶盖，把瓶子凑近鼻孔。