It moves ahead by two motors, which are attached to the shell, driving the corresponding screw transmission mechanism respectively, and turns by changing the position of the barycenter.

该球形机器人由两个电机驱动两组螺旋传动机构带动球壳滚动实现直线运动，并通过改变球内部分的重心位置来实现转弯。

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Players take turns to search the maze for their magical objects and characters by carefully moving through the constantly changing maze.

玩家轮流使用其神奇的道具和人物，玩家必须仔细观察才能通过不断改变的迷宫，必须迅速的移动来搜索迷宫的正确路径。

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The photoswitch turns the glutamate receptor on or off by changing its shape depending on the wavelength of light used a technique that's been shown to induce light sensitivity in blind mice.

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