翻译raining cats and dogs的故事

There were many large rats in a country.
有一个国家有很多大老鼠.
The people there neended cats.
那里的人们需要猫.
But there were many mountains in the country.
但是那个国家里有很多山.
It's hard for a plane to land.
飞机很难着陆.
So the cats came down by parachute.
所以猫们用降落伞下降.
In another country the people needed dogs to can get cats and dogs in this way.
在另外一个国家,人们需要狗于是用同样的途径得到猫和狗.
These cats and dogs are helping the people.
这些猫狗正帮助人们.
and the people often say it rains cats and dogs.
然后人们常说 猫狗从天上掉下来,比喻倾盆大雨