n.

1. 旋转玩具；旋转木马；陀螺
2. 旋转；变迁；轮回
3. 【昆】豉虫
4. 【古】轻率浮躁的人

n.

1. a toy that spins round, e.g. a top or windmill.
2. another term for roundabout (in sense ²).
3. a process or activity characterized by constant change or hectic activity:
   the whirligig of time.
4. (also whirligig beetle) a small black water beetle which typically swims rapidly in circles on the surface. [Family Gyrinidae.]