a fake smile 假笑

　　Ah well, I find it difficult to tell if someone is really smiling or if it's a fake smile.好吧，我发现很难分辨出一个人是在真笑还是假笑。

　　becontrolled by muscles 由肌肉控制的

　　The expressions we can make with our face are controlled by muscles.

　　我们脸部的表情是由肌肉控制的。

　　recognise human emotions识别人类的情绪

　　He's been working on getting computers to be able to recognise human emotions from the expressions on our face.

　　他一直在研究如何让电脑通过我们的面部表情识别人类的情绪。

　　infer the emotions 推断出人们的情绪

　　We've been working quite a lot on the human emotions, so the idea is how the facial muscle movement, which is reflected on the face, through obviously a computer through video frames and trying to understand how these muscle movements actually relate to facial expressions and then from facial expressions trying to understand the emotions or to infer the emotions.

　　我们在研究人类情绪上投入了很多精力，所以关于脸上的面部肌肉如何运动，很显然，我们是通过让电脑利用视频画格来试着理解这些肌肉运动如何与面部表情联系在一起，然后如何通过面部表情理解或者推断出人们的情绪。

　　genuine smiles 发自内心的笑容

　　So, you put somebody on a chair and then show some funny movies and we expect the smiles are genuine smiles.

　　你让一个人坐在椅子上，然后播放一些搞笑电影，在我们的预期中，这些笑容都是发自内心的。

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