short for demonstration (tape, disc, etc.). Music recording given out for promotional purposes, 1963. The word was used earlier to mean "a public political demonstration" (1936).
权威例句
1. TV firms were later banned from screening any pictures of the demo.
后来各电视台被禁止播放任何有关这次游行的画面。
2. Send us a demo with one or two of your best songs.
把你最好的一两首歌的小样寄给我们。
3. He listened to one of my demo tapes.
他听了我的一盘录音样带。
4. Paine's words are a clarion call for demo-cracy.