gas eddy

例句：

1. 1. The gas eddy is causing the car to slow down.
   气体涡旋正在使汽车减速。
2. 2. Gas eddies can be dangerous when they swirl around a fire.
   气体涡旋在围绕火苗旋转时可能会很危险。
3. 3. The scientist observed the gas eddy and recorded its speed.
   科学家观察了气体涡旋并记录了它的速度。