For example, watching a video of someone about to cut her finger with a kitchen knife triggers brain areas involved in pain perception.

比如，看到视频中的一个人用切菜刀切到了自己的手指会激活痛觉感知相关的脑区。

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Up to six people can gather around the table and, with a swipe of a finger, remove layers of muscle, zoom in and out of organs and slice through tissue with a virtual knife.

这个显示屏可供至多6个人一起工作；只需滑动手指，就可以移除层层肌肉；还可以放大或缩小器官的图像；并且还能用虚拟手术刀切开组织。

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Distraught and facing accusations from his employer, Mr. Sun went home, grabbed a knife in his kitchen and chopped his finger.

孙中界愤怒不已，又面临老板的指责，他回到家中，抓起厨房的刀将手指砍了下来。

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