MPEG Audio Video Layer 4；一种音频兼视频的压缩格式；MP3的升级版本；也指MP4格式的便携式视频播放器
中文词源
mp4 用法和例句提示：点击例句中的单词，就可以看到词义解释
提示：点击例句中的单词，就可以看到词义解释
She usually rents her mp4 to others .
她经常把她的mp4租给别人。
By default , the device plays mp4 files , similar to the ipod .
默认情况，这款设备播放mp4文件，和ipod类似。
It supports many file types , including avi , dvd compatible mpeg files , mp4 and asf , using a variety of codecs .
它支持多种文件类型，包括avi，dvd兼容的mpeg文件，mp4和asf文件。
If you 've cracked your psp , you can get nearly all films working on your device , but otherwise , your movie watching is entirely limited to mp4 files .
