sea lev·el
noun/ˈsiː levl/
/ˈsiː levl/
[uncountable, countable]- the average height of the sea, used as the basis for measuring the height of all places on land
海平面 - 50 metres above sea level
海拔 50 米 - the problem of rising sea levels
海平面日益升高的问题
Oxford Collocations DictionarySea level is used before these nouns:- rise
- 50 metres above sea level