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这张图上画的是一些齿轮和缠绕它们的齿带,这些齿轮都是在转动的,假设蓝色的齿轮是按顺时针方向转动的,那么红色的齿轮是按什么方向转动的呢?
The picture shows some gears and toothed belts around them. The gears are rotating. Assuming the blue gear is rotating clockwise, what is the red gear turning in?