sea level
短语
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n. 海平面
发音
US
词形变化
sea levels
复数
sea levels
释义与例句
n.
-
1.
The nominal height of the surface of the oceans above which heights of geographical features and aircraft flight levels are measured.
海平面
海面
可数 不可数The summit of Everest is 5.5 miles above sea level.
An altimeter is used for measuring height above sea level.