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这次练习中，体操运动员应该面向地板。
In this exercise, the gymnast should face the floor.
youdao
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地板上有一条黑色轨迹线，机器人沿此黑色轨迹线运动。
On the floor, there will be a black line for the robots to follow.
youdao
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地板上有一条黑色轨迹线，机器人沿此黑色轨迹线运动。
On the floor, there will be a black line for the robots to follow.
youdao