1. We will do a dummy run of the presentation before the actual event.
我们会在实际活动之前进行一次模拟演练。

2. The team decided to do a dummy run of the new software to test for any bugs.
团队决定对新软件进行模拟演练，以检测是否存在任何错误。

3. The pilot performed a dummy run of the emergency landing procedure.
飞行员进行了一次紧急降落程序的模拟演练。

4. Let's do a dummy run of the evacuation plan to make sure everyone knows what to do.
让我们对疏散计划进行一次模拟演练，确保每个人都知道该怎么做。

5. The actors rehearsed their lines in a dummy run before the actual performance.
演员们在实际表演之前通过模拟演练来排练台词。

6. The company conducted a dummy run of their new product launch to iron out any potential issues.
公司对他们的新产品发布进行了一次模拟演练，以解决潜在问题。