今年雨水很多用英语怎么说

“今年雨水很多”用英语可以说为 "There has been a lot of rainfall this year."

其中 "there has been" 是一种常用的现在完成时的表达方式，表示在过去的某个时间里已经发生了某事。例如：

There has been a rise in temperature over the past few years. (过去几年里气温上升了)
There has been a lot of progress in technology in recent years. (近年来科技取得了很大进展)

"rainfall" 是“雨水”的意思，是一种名词。例如：

The rainfall in this region is quite high. (这个地区的降水量很高)
The amount of rainfall can vary greatly from one year to the next. (降水量可能因年份不同而有很大变化)