(1)sea n. 海洋 · a rough sea 波涛汹涌的海洋 (2)可数名词 n.[C] 海洋 · We saw the broad ocean. 我们看到广阔的海洋。 · If you go from England to America by ship,you will sail across the Atlantic Ocean. 你如果从英国坐船到美国去,你就会横渡大西洋。 · the Atlantic Ocean 大西洋 · the Arctic Ocean 北冰洋 · a billowy ocean 波涛汹涌的大海 · the boundless ocean 无边的海洋 · a deep ocean 深深的海洋 · the mighty ocean 汪洋大海 · the Pacific Ocean 太平洋 · across the Pacific Ocean 横渡太平洋 · countless islands in the Pacific Ocean 太平洋上无数的岛屿 · descend to the floor of the ocean 沉到海底 · the largest and fastest vessels on the Atlantic Ocean 大西洋上最大最快的船 · wires laid under the ocean 海底电缆 · oceans of time(money) 大量的时间(钱) · cross the ocean 穿过大洋 · sail the ocean 航渡大洋
ocean--mass of salt water that covers most of the earth's surface sea-- the salt water that covers most of the earth'surface and encloses its continents and islands; esp. particular area of the sea, smaller than an ocean.