As it rotates , its axis swings in a circle , pointing in different directions . As the earth 's position shifts , so does our perspective of the night sky .
当它旋转时,它的中心轴围着一个圈朝不同的方向摇摆,当地球的位置变化时,我们看夜空的角度也变化了。
Built-in motor rotates this illuminated earth at a constant rate .
内置马达让这款装有灯饰的地球仪以恒定速率旋转。
Each dot rotates rapidly and animates the skin of the sculpture .
每个点都在快速旋转,赋予了这件雕塑品以灵动的表面。
Look at the red dot on the earth and the path it travels as the earth rotates .
看着地球上的红点以及地球旋转时它的轨迹。
A slow moving river current can create a slow turning eddy , which rotates , forming an ice disc .