the ocean; the continuous saltwater covering most of Earth

• any great expanse of salt water

海洋；覆盖地球大部分的连续咸水

• 任何广阔的咸水水域

a part of the ocean partly enclosed by land

• a named saltwater body smaller than an ocean

海洋的一部分，部分被陆地环绕

• 有专名的咸水水域，小于海洋

a single large wave

• the swell of the sea, especially when rough

一股大浪

• 海面的涌浪，尤指汹涌时

a vast amount or number; an overwhelming expanse

极大量；广阔一片

a large lake, especially if salty or brackish

大型湖泊，尤指咸水或半咸水

a large dark plain on the Moon (mare)

• a very large liquid basin on another celestial body

月球上的大片暗色平原（月海）

• 其他天体上的巨大液体盆地

initialism: Strategic Environmental Assessment

首字母缩略词：战略环境评估