He is not looking at the camera. He is playing a card game called faro.

VOA: special.2010.03.17

The way he described is when you try to get down a quantum dimensions and you are standing there with your camera, just remember the sun is at your back and your shadow is always in the picture.

这种方法被他描述为,当你试着处理一个量子尺寸时,并且你试着拿着你的相机在那，记住太阳在你的背后,而你的影子总是在照片上。

麻省理工公开课 - 固态化学导论课程节选

At certain times, you're going to be seen on film, so the camera is actually going to come around and point in your direction.

有时候你会被拍摄到,此时摄像机会转到你所在的方向

耶鲁公开课 - 博弈论课程节选

He looks directly at the camera with the suggestion of a smile.

VOA: special.2009.08.09

How many of you, we won't let the camera see you, how many of you have not I'm not going to show hands at all.

多少人,摄像机先别拍他们了,多少人没有学过微积分,请大家举手吧

耶鲁公开课 - 博弈论课程节选

The girls look calmly at the camera with large,pale eyes.

VOA: special.2009.08.09

I'm giving it to Jude. You can't see this on camera--people at home-- but I'm giving it to Jude okay. I'm going to put it here, and Jude has to show up next week with the prize.

我给裘德了,看视频的你们看不到裘德,但我把钱给裘德了,我放到这里了,裘德下周会带着奖金来的

耶鲁公开课 - 博弈论课程节选

Most of the men are looking at the camera.

VOA: special.2010.03.17

They openly stare at the camera.

VOA: special.2009.08.09

Conventional colonoscopy is performed with a long, flexible tube called a colonoscope that is equipped with a tiny fiber-optic video camera and light at the end.

VOA: standard.2010.04.07