cross eddy

例句：

1. 1. The eddy in the river was causing a lot of trouble for the fish.
   河中的涡流给鱼造成了很多麻烦。
2. 2. The wind created a cross eddy that carried the leaves away.
   风创造了一个交叉涡流，把树叶带走了。
3. 3. The scientist noticed a cross eddy forming over the ocean.
   科学家注意到在海洋上空形成了一个交叉涡流。