听众杨竣尧想知道应该怎样区分动词 “spin、whirl、rotate” 和 “revolve” 之间的不同。虽然这四个动词都有 “旋转、转动” 的意思，但它们在描述 “旋转” 的具体方式时是有区别的。在这四个近义词当中，哪两个强调物体 “快速地旋转”？在描述地球 “自转 ...

Rotation can take place by the summation of the small rotational movements within adjacent vertebrae of the vertebral column, for example, twisting movement of the neck or body. At a pivot joint which ...