The whole place is at sea level.

整个地区与海平面持平。

Whoever wins the tournament will have switched from altitude to sea level and back again at some point.

无论哪队赢得今年的比赛，他们都将从高海拔换到海平面，然后在某一时刻再换过来。

The stadium was 5,000 feet above sea level.

该体育场海拔5000英尺。

We're probably at an elevation of about 13,000 feet above sea level.

我们很可能在海拔13000英尺的高度。

Mount Everest, located at the border between China and Nepal, is 8848 meters above sea level, the highest peak in the world.

位于中尼边境的珠穆朗玛峰海拔8848米，为世界最高峰。