The sergeant could often feel her gaze following him as he darted about the room, as if committing his movements to memory. Clever creature.

军士常常觉得她的目光紧紧盯着自己在房间里冲进冲出的举止，似乎正在把他的战术动作牢记在脑力里。

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Turning their gaze in the direction of the roar they saw a big tiger following them.

他们朝发出怒吼声的方向望去，发现一只老虎跟着他们。

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The two types of gaze-following abilities seem to require different mental skills, she adds.

兰奇补充说，这两种视线追随能力依赖于不同的心智技能。

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One of many companies demoing a gaze-following setup is Fujitsu, which is showing off a prototype desktop PC with a built-in sensor and infrared LED.

ENGADGET: Fujitsu eye-tracking tech uses built-in motion sensor, infrared LED for hands-free computing (video)