weather forecasting 应该此位置是动名词,"天气预报"的名词形式就是"weather forecast"
天气预报
weather prediction
forecasting center;synoptic forecast;forecasting centre
weather forecast
因为上面例子中forecast是动词,所以用ing形式
weather forecast 才是准确的
A weather forecast is a statement saying what the weather will be like the next day or for the next few days.
weather forecast