demo
simple noun2 搭配平均频率: 7.0
demo version8.0
演示版本
A version of a software product that is available for trial, often with limited functionality or for a limited time.
demo tape6.0
演示磁带
A recording of a musician's or band's music, used to demonstrate their abilities to producers or record labels.
音乐家或乐队的音乐录音,用于向制作人或唱片公司展示他们的能力。