reversed flow region

例句：

1. 1. The engineer designed a reversed flowregion to improve the efficiency of the pump.
   工程师设计了一个逆流区域来提高泵的效率。
2. 2. The scientist discovered a reversedflow region in the ocean that could beharnessed for energy.
   科学家在海洋中发现了一处逆流区域，可以用于能源开发。
3. 3. Theresearchers found that the reversedflow region was responsible for the unusualweather patterns in the area.
   研究人员发现，逆流区域是该地区异常天气模式的原因。