They have to transfer everything that they want to say through their body motion.

他们必须通过身体动作来传达他们想说的一切。

For adults, this neurotransmitter usually does a good job to inhibit the body's motion.

对于成年人来说， 这种神经递质通常可以很好地抑制身体的运动。

We do that with body motion capture and then now, in a lot of things with face motion capture, with those HMC head-mounted cameras.

我们通过身体动作捕捉来做到这一点，然后现在，在很多事情上，通过面部动作捕捉，使用HMC头盔摄像头。