vast ocean

基本解释

A vast ocean once covered a third of the surface of Mars, scientists revealed last night.
昨晚，科學家表示，廣濶的海洋曾經覆蓋了火星表麪三分之一的麪積。
The internet is a vast ocean of information.
網絡是巨大的信息海洋。
One hundred years later, the Negro lives on a lonely island of poverty in the midst of a vast ocean of material prosperity.
一百年後的今天，黑人仍生活在物質充裕的海洋中一個貧睏的孤島上。

The other approach is less risky, and involves removing carbon directly from the atmosphere and burying it in vast ocean storage beds or deep inside the earth.
NEWYORKER: The Climate Fixers
It seemed to him, though, that Polynesians and Micronesians were one people, united by the vast ocean which he, and they, had crisscrossed for millennia in their tiny boats.
ECONOMIST: Mau Piailug
The vast ocean of patents covering high-tech components, software and business processes means that each new product, generally comprising thousands of pieces of technology, usually infringes on several patents.
ECONOMIST: eBay’s bid to stop the injunctions