Select the text you want to format by holding down the left button on your mouse.

按住鼠标左键选取你想要格式化的文本。

《牛津词典》

Here's a quick hint to help you get around on such a tiny device: holding down Alt + left mouse button will allow you to drag screens around on your desktop, even if you can't see the title bar.

下面是可以帮助您在这样小的设备上进行操作的一个快速提示：即使看不到标题条，按下alt +鼠标左键也可以让您在桌面上拖动屏幕。

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Highlight the value: Hold the left mouse button down and drag your mouse pointer over the value.

高亮显示此值：按住鼠标左键向下，把您的鼠标指针拖到此值上。

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