demos/ˈdem.oʊ/名词示威游行(demonstration的非正式说法)I went on lots of demos as a student.我在学生时代参加过很多次游行。样品;(尤指计算机程序或音乐的)试用版,样带a software demo软件试用版/ˈdem.oʊ/动词演示,展示,示范to demo a new piece of software演示一种新软件想跟读,去练习