Wave your hand in front of the camera.

波你的手在镜头前。

youdao

Wave your hand.

挥挥你的手。

youdao

Look, that is a swing. Go to the swing. Wave your hand.

看，那是一个秋千。去秋千那。挥动你的手。动你的手。

youdao

Even if it's a tiny, scrappy circuit that flashes a set of lights on and off when you wave your hand over it, it's your circuit.

BBC: Viewpoint: The confessions of a late adopter

Through the wave of your hand, you can browse through TV shows and movies, in Minority Report-like fashion.

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