1.ocean的基本意思是指地球表面被含盐的水所覆盖的大片区域,即“海,洋,海洋”。也可指地球上人为地划分出来的洋。
2.ocean常和专有名词构成海洋的名称,其前须有定冠词the, ocean常可省略。
3.an ocean of和oceans of意为“大量,许多”,其后可接可数名词,也可接不可数名词。

an ocean of〔oceans of〕
很多 many or much; lots of sth
Don't worry—We've got oceans of time.别担心——我们有的是时间。
They spent oceans of money on war.他们把巨额资金消耗在战争上。
In her letter she sent him oceans of love.她在信中向他吐露无限钟情。
Although we speak the same language,I feel that there is an ocean of differences between the English and American cultures.尽管我们讲的是同一种语言,可是我认为英、美文化之间却有天壤之别。

One afternoon, she went for a swim in the ocean.一天下午她到海里去游泳。
Strange creatures live in the profound depth of the ocean.大洋的深处生活着稀奇古怪的生物。
Submarine earthquakes often happen in ocean.海洋中经常发生海底地震。
Heronomus contends that an electricity generator making use of ocean heat would be economically competitive with conventional sources.赫隆若马斯坚持认为:利用海洋热能发电在经济上比传统能源有竞争性。
The Pacific is the largest ocean.太平洋是最大的一个洋。
The whale emerged from the ocean depths.鲸从海洋深处现出。
The luxury ocean liner is sailing for America.那条豪华的远洋客轮正驶向美国。
To go from Britain to America you have to cross the Atlantic (Ocean).从英国到美国去必须越过大西洋。
There are countless islands in the Pacific Ocean.太平洋里有无数个岛屿。
As we've seen, oceans cover more than 70％ of the earth.据我们所知,海洋占地球面积的70％以上。

ocean, sea
参见sea条。

［同义词］   sea
［词源］  ＜古法语oceanus(海洋)