机器人利用系统中的记录文件来唱歌，还能通过语音识别和面部表情和听众互动。

He sings recorded files in his system and USES speech recognition and facial expressions to interact with his audience.

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公司的工程师们记录了一系列人脸的高清图像，每个图像都有不同的表情。

The company's engineers record a series of high-resolution images of a person's face, each one with a different expression.

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他们向参与者提问某张图片代表的是什么表情，并记录下参与者们观察出来所需的时间。

They asked the participants to look for a particular sort of expression, and measured the amount of time it took them to find it.

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