mp3 mp4 msn vip suv .....的全称是什么

Moving Picture Experts Group Audio Layer III (一种音频压缩技术)
mp4因为是继mp3之后而叫mp4吧
接着是
Master Serial Number

Very Important Person

Sports Utility Vehicle

mp3 MPEG-1 Audio Layer-3
mp4 MPEG-4 Part 14 楼上之知其一，不只其二
msn microsoft network
vip very important PERSON 不是people,所以你能看见VIPs
suv sports utility vehical

music player 3
music player 4
very important people