N-UNCOUNT [oft NOUN n] 运动图像专家组(一种压缩视频图像的标准文件格式) MPEG is a standard file format for compressing video images so that they can be stored or sent by e-mail more easily. MPEG is an abbreviation for (缩略 =) 'Motion Picture Experts Group'. 运动图像专家组(一种压缩视频图像的标准文件格式) [computing]