ocean

英 [ˈəʊʃn]

美 [ˈoʊʃn]

n. 大海; 海洋; (五大洋之一的)洋

复数：oceans　

Oxford 3000 / Collins.3 / BNC.3015 / COCA.1842

习惯用语

an ocean of sth

a drop in the ocean

沧海一粟；九牛一毛
an amount of sth that is too small or unimportant to make any real difference to a situation

noun

大海；海洋
the mass of salt water that covers most of the earth's surface
1. the depths of the ocean
  海洋的深处
2. People were swimming in the ocean despite the hurricane warning.
  尽管有飓风警报，人们仍然在大海里游泳。
3. The plane hit the ocean several miles offshore.
  飞机在距离海岸数英里处坠入大海。
4. Our beach house is just a couple of miles from the ocean.
  我家滨海的房子离大海只有几英里。
5. an ocean liner
  远洋客轮
6. Ocean levels are rising.
  海平面正在上升。
（五大洋之一的）洋
one of the five large areas that the ocean is divided into
1. the Antarctic/Arctic/Atlantic/Indian/Pacific Ocean
  南极海；北冰洋；大西洋；印度洋；太平洋

N-SING 海洋；大海
The oceanis the sea.
1. There were few sights as beautiful as the calm ocean on a warm night.
  鲜有景致能与温暖夜色下风平浪静的大海媲美。
N-COUNT; N-IN-NAMES （五大洋之一的）洋
Anoceanis one of the five very large areas of sea on the Earth's surface.
1. They spent many days cruising the northern Pacific Ocean.
  他们在北太平洋航行了很多天。
2. ...the Indian Ocean.
  印度洋
N-COUNT 许多；大量
If you say that there is anocean ofsomething, you are emphasizing that there is a very large amount of it.
1. I had cried oceans of tears...
  我泪流成河。
2. APEC seems be drowning in an ocean of jargon.
  亚太经合组织似乎为一大堆空洞的胡言乱语所淹没。
PHRASE 沧海一粟;九牛一毛
If you say that something isa drop in the ocean, you mean that it is a very small amount which is unimportant compared to the cost of other things or is so small that it has very little effect on something.
1. His fee is a drop in the ocean compared with the real cost of broadcasting.
  同播出的实际开支相比较，他那点酬金不过是九牛一毛。

noun