合流

例句：

1. 1. The rivers meet in the middle of the city.
   河流在市中心汇合。
2. 2. The two teams will have to merge forces for the final showdown.
   两队必须合并力量进行最后的决战。
3. 3. The two cultures have been merging over the years.
   这两种文化多年来一直在融合。