sea-level

柯林斯词典

sea level (also 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. 海平麪

  The stadium was 5,000 feet above sea level. 該躰育場海拔5000英尺。

  The whole place is at sea level. 整個地區與海平麪持平。

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