Sea level
01
海平面, 零海拔
the average height of the surface of the ocean in relation to the land, measured over a specific period of time
例子
The city is located 50 meters above sea level.
这座城市位于海平面以上50米。
Rising sea levels are a concern due to climate change.
由于气候变化，海平面上升是一个令人担忧的问题。
