剑桥词典to open something by using a zip 拉开…的拉锁 He unzipped his suitcase . 他拉开了手提箱的拉锁。 to return a computer file to its original size after it has been zipped (= reduced in size so that it can be easily sent or stored ) 将（计算机压缩文件）解压缩 返回 unzip