n.经常变换的东西；旋转木马；陀螺
Our feelings of happiness and sorrow are soon lost in the whirligig of time. 我们感情上的悲欢会随着时间的流逝很快消失。
The ancient doctor-patient relationship changes following the whirligig of time and society. 古代医患关系因时代与社会的变迁而有所改变。
The kid was happy when he saw the whirligig going round. 那小孩看到不停转动的旋转木马非常高兴。
