拖拽角可以放大或者收缩区域，然后点击裁剪键来将截图裁剪到想要的尺寸。
Drag the corners to enlarge or shrink the region, and then click crop to crop the screenshot to that size.
你可以设置定时器来截取屏幕的任意区域，你可以操作定时器在任何你想要的时间来截图。
You can set the timer to capture any area of your screen at whatever time you decide as you manipulate the timer to benefit you.
这段影片长大五分钟，而截图是每两秒钟进行一次，充分显示了脑部80多个不同区域的活动变化。
The five-how activity changes across 80 separate regions of the brain in snapshots taken every two seconds.
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