柯林斯词典fire drill (fire drills) 1. N-VAR When there is a fire drill in a particular building, the people who spend time there practise what to do if there is a fire. 消防演习 返回 fire drill剑桥词典the set of actions that should be performed in order to safely leave a building , such as an office , factory , or school , when it is on fire , or an occasion when this is practised 火灾逃生法；消防演习 返回 fire drill