有些季节，河水可能太多，会把附近的农田全部淹没，而另一些季节，河水可能满足不了农民的需要，那么灌溉田地也就困难了。

• In some seasons there may be too much water in the river, and the water may flood all the land near it. At other times the river water may not be enough for all the farmers, and then it will be difficult to irrigate the fields.