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• 2023年3月21日 (二) 08:37 Lukegao1 讨论 贡献创建了页面How to Add a Stopwatch to PowerPoint （创建页面，内容为“Adding a stopwatch to PowerPoint can be a useful tool for timing presentations, activities, or games. Here are the steps to add a stopwatch to PowerPoint: 1. Open PowerPoint and go to the slide where you want to add the stopwatch. 2. Click on the "Insert" tab in the PowerPoint ribbon. 3. Click on the "Shapes" icon and select the "Oval" shape. 4. Draw an oval shape on the slide, and then right-click on it and select "Format Shape" from the context menu. 5. In t…”）