ocean/'əʊ∫ən $ 'oʊ-/

n. [usu. the ~] the large area of salt water that covers most of the earth's surface

n. [常the ~] 大海，海洋：I like to swim in the ocean. 我喜欢在海里游泳。

◇an ocean voyage 远洋航行

◇[the ... Ocean] the Pacific Ocean 太平洋

◇the Indian Ocean 印度洋

用法海、洋、江河名称前要加the。