demoBrE/ˈdeməʊ/NAmE/ˈdemoʊ/verbpresent simple - I / you / we / theydemoBrE/ˈdeməʊ/NAmE/ˈdemoʊ/present simple - he / she / itdemosBrE/ˈdeməʊz/NAmE/ˈdemoʊz/past simpledemoedBrE/ˈdeməʊd/NAmE/ˈdemoʊd/past participledemoedBrE/ˈdeməʊd/NAmE/ˈdemoʊd/ -ing formdemoingBrE/ˈdeməʊɪŋ/NAmE/ˈdemoʊɪŋ/~sthtousesth, especiallyapieceofsoftware, toshowsbortoseeforyourselfhowitworks试用（尤指软件）；演示；示范◆Hedemoedthenewprogramhehadjustcreated. 他演示了他刚编写的新程序。◆CanIdemothesoftwarebeforeIbuyit? 在购买此软件之前，我能先试用一下吗？