a movement of air, dust or water in a circle （空气、灰尘或水的）旋涡，涡流
The bend in the river had caused an eddy of fast swirling water.
a movement of air, dust or water in a circle （空气、灰尘或水的）旋涡，涡流
The bend in the river had caused an eddy of fast swirling water.