sea level

1. N-UNCOUNT Sea level is the average level of the sea with respect to the land. The height of mountains or other areas is calculated in relation to sea level. 海平面

The stadium was 5,000 feet above sea level. 該體育場(chǎng)海拔5000英尺。

The whole place is at sea level. 整個(gè)地區(qū)與海平面持平。