There were few sights as beautiful as the calm ocean on a warm night.
很少有景色能与温暖夜晚下风平浪静的大海媲美。
例：
new technology used to explore the deep ocean.
用以探索深海的新技术。
例：
a fish's habitat on the ocean floor.
一条鱼在海底的栖息地。
2.?[C 可数名词] 洋
An ocean is one of the five very large areas of sea on the Earth's surface.
近义词
a sea
双语例句
例：
They spent many days cruising the northern Pacific Ocean.
他们花了很多天巡游北太平洋。
例：
a small island in the Indian ocean.
印度洋中的一座小岛。
3.?[C 可数名词] 极大量
If you say that there is an ocean of something, you are emphasizing that there is a very large amount of it.
双语例句
例：
I had cried oceans of tears.
我已哭得泪流成河。
PHRASE. 习语
a drop in the ocean
1.?沧海一粟
If you say that something is a 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.
双语例句
例：
His fee is a drop in the ocean compared with the real cost of broadcasting.