rate-of-rainfall gage

例句：

1. 1. The rate of rainfall in this area is unusually high.
   该地区的降雨量异常高。
2. 2.The raingauge at the airport provides accurate rainfall data for the region.
   机场的雨量计为该地区提供准确的降雨数据。
3. 3. The scientist used a raingauge to measure the amount of precipitation during the storm.
   科学家使用雨量计测量暴风雨期间的降水量。