The Quick Look tool on Macs is getting more powerful with macOS Mojave. You can now sign PDFs, trim videos, and perform other edits right from the preview pane that appears when you press Space.

MacOS Mojave使得Mac上的Quick Look工具变得越来越强大。 现在，您可以在按空格键时显示的预览窗格中对PDF进行签名，修剪视频并执行其他编辑。

To use this feature, you’ll just have to press the Space bar button with a file selected in Finder to open Quick Look, like normal. You’ll see a new action icon on the toolbar. Click it and you’ll see actions you can take to edit the current document.

要使用此功能，您只需像平常一样，在Finder中选择一个文件时按空格键即可打开“快速查看”。 您会在工具栏上看到一个新的操作图标。 单击它，您将看到可以执行的操作以编辑当前文档。

For example, when working with a PDF document, you’ll see Preview’s PDF markup tools. You can draw, write, and anywhere. When working with a video, you’ll see like a video cropping tool. You can quickly crop a video and get just the bits you want without firing up a more powerful tool.

例如，使用PDF文档时，您将看到Preview的PDF标记工具。 您可以任何地方绘制，书写和 。 处理视频时，您会看到例如视频裁剪工具。 您可以快速裁剪视频并获得所需的片段，而无需启动更强大的工具。

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