range curvature

例句：

1. 1. The range of the stars in the sky is vast.
   天空中的星星的范围非常广阔。
2. 2. The range of the temperature changes from day to night.
   温度从白天到夜晚的变化范围很大。
3. 3. The range of the car is 50 meters.
   这辆车的射程是50米。