elevation of floor level

例句：

1. 1. The mountain was at its highest point when the sun was at its zenith.
   当太阳达到最高点时，那座山达到了顶峰。
2. 2. The airplane climbed to an elevation of over 5000 meters.
   飞机爬升至海拔超过5000米的高度。
3. 3. The hikers ascended to a higher elevation to enjoy the view.
   登山者攀登到更高的海拔以欣赏景色。