informal <非正式>
(pl.-os)
1
- short for DEMONSTRATION.DEMONSTRATION的简称：
a peace demo.
和平游行。
2
- a demonstration of the capabilities of something, typically computer software or a musical group（尤指计算机软件的）试用版; （音乐）样带：
as modifier a demo tape.试播样带。
(-os, -oed)with obj.
1- demonstrate the capabilities of (software or equipment)演示（软件, 设备）。
1.1
- record (a song) for demonstration purposes试录（歌曲）：
they've already demoed twelve new songs.
他们已经试录了12首新歌。