重要
demo
🇬🇧/ˈdeməʊ/ 🇺🇸/ˈdemoʊ/📚 12719 29 1A demo is a CD or tape with a sample of someone's music recorded on it. 试样唱片
noun [具体名词]试样唱片；示范；（产品的）样品；<英，非正式>示威游行
He arranged for Reba to record her first demo tape. 他安排里巴录制了她的首张样带。
verb [vt. 及物动词]演示，示范
A demo is a demonstration of something. 演示物 Download free demos of our newest products and upgrades. 下载我们最新产品的免费演示版和升级版。
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