diffrent heights

• 不同高度

diffrent heights的用法和样例：

例句

1. Bristles with a variety of heights are used to give an overall "medium" rating.
   混合不同高度的刷毛，调制出软硬度适中的刷头。
2. By sending satellites round the earth at different heights,we can find out how much air there is at each height.
   我们把卫星送入不同高度的轨道饶地球运行，就能测出地球上空不同高度处空气的含量。