differential height

例句：

1. 1.The difference in height between the two boys is only a few centimeters.
   两个男孩之间的身高差异只有几厘米。
2. 2.The height of the mountain is over 3,000 meters.
   这座山的高度超过3,000米。
3. 3.The height of the building is about 50 meters.
   这栋楼的高度大约是50米。