ˌdummy ˈrun noun [countableC] PRACTISE/PRACTICEan occasion when you practise doing something in complete detail to see if it works 演习,排练 SYN dry run Do a dummy run to see how long it will take. 做一次演习看看要花多少时间。
dummy run• Maybe everyone was out in force as a dummy run for the Countryside march on 18 March.• In a recent dummy run, the 4th Marine Brigade stormed a beach on Catalina Island.