whirligig

n.

旋转；旋转玩具；旋转木马；循环

1. 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。
2. 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。
3. 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。

Whirligig
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Whirligig beetle aggregations: what are the costs and the benefits?
Aggregation and Foraging Behavior of Whirligig Beetles (Gyrinidae)
DISTRIBUTION, COEXISTENCE, AND COMPETITION OF WHIRLIGIG BEETLES.
The management of fluid and wave resistances by whirligig beetles
Social behavior of adult whirligig beetles (Dineutus nigrior and D. discolor (Coleoptera: Gyrinidae)).
Aquatic turning performance by the whirligig beetle: constraints on maneuverability by a rigid biological system
Local dynamics and dispersal in a structured population of the whirligig beetle Deneutus assimilis
Spatial Population Structure in the Whirligig Beetle Dineutus assimilis: Evolutionary Inferences Based on Mitochondrial DNA and Fiel...
First larval description and chaetotaxic analysis of the neotropical whirligig beetle genus Enhydrus Laporte (Coleoptera, Gyrinidae)
Optimal group positioning after a predator attack: the influence of speed, sex, and satiation within mobile whirligig swarms