海域的英文：
sea area
maritime space

参考例句：

Mastery of the seas.
对海域的统治

Connect the coast to the south and the central plains to the north
南通海域，北达中原

It is prohibited to discharge waste water containing high-level radioactive matter into the sea.
含强放射性物质的废水，禁止向海域排放。

The tide turned again, and drifted back the ship helplessly seaward
潮汐开始转向，把船一个劲地推向海域。

Although the sea around them was thought to be rich in oil and minerals, it was uneconomic to utilize them
尽管人们认为它们周围的海域有丰富的石油和矿藏，但是开掘这些资源很不经济。

An eelpout(Macrozoarces americanus)of the coastal waters of northeast North America.
高鳍笛鲷一种北美东部北方海域鳕类淡水鱼(美洲大绵?)

Unruffled waters
平静的海域

He adventured on a unknown seas.
他冒险驶入陌生的海域。

The polar bear's habitat is the icy waters of the Arctic.
北极熊的栖息地是冰冷的北极海域。

The dumping of wastes which is carried out beyond the sea areas under the jurisdiction of the People's Republic of China
在中华人民共和国管辖海域以外倾倒废弃物

sea是什么意思：
n. 海，海洋；大量，茫茫一片

Beyond the seas
在国外,在海外

He adventured on a unknown seas.
他冒险驶入陌生的海域。

White breast of the dim sea.
朦胧的海洋那雪白的胸脯。

area是什么意思：
n. 面积；地区；区域；场地；领域，范围，方面

This is a drainage area.
这里是排水区。

The areas of greater rainfall conform roughly with these forested areas.
降雨量较大地区大致与这些森林地区相符合。

The?penalty area?is the rectangular area in front of the goal.
禁区就是指球门前的矩形区域。

maritime是什么意思：
adj. 海的，海事的，海上的

maritime sanitation devices
船上卫生设备

It is a unique episode, without example in maritime history.
在航海史上没有先例的独特事件。

He had sole jurisdiction in maritime and seafaring causes
他对海商案件拥有专属管辖权。