blood-rain

例句：

1. 1.The storm brought a blood-rain to the city.
   暴风雨带来了一场血雨。
2. 2. He was so sad that he cried like a blood-rain.
   他非常伤心，哭得像血雨一样。
3. 3.The old man died in the blood-rain.
   老人在血雨中去世。