swirling effect

例句：

1. 1. The car's engine produces a powerful rotating effect that propels it forward.
   这辆车的引擎产生强大的旋转效果，推动它前进。
2. 2. The swirling water creates a beautiful pattern on the surface of the lake.
   旋转的水在湖面上形成了美丽的图案。
3. 3. The scientist observed the swirling effect of the gas as it passed through the tube.
   科学家观察到气体穿过管子时的旋转效果。