para4. crude oil   原油

      as such 如此

     on the release of pression

sth in solution

the first stage of refining   refine the oil 

contrubute to

recover回收

stay in solution

liquid oil 

associated with

raw materials 原材料

On-shore    off-shore

the market of the world

describe as

 preeminently

Exploit oil  on any scale

in the late nineteeth century

prime source of enery

dominant 显性的 占优势的 支配的

pattem of energy consumption   whereas  然而 连词

maintain  保持

met the vastly increased demand

share 份额

signs of diminishing 下降迹象

Even so  虽然这样

play the major role in doing sth

stimulate 刺激

propelled 推动 促进

exceptional versatility   各种各样的用途

base material  基础材料

 a very wide range of product

ease    feedstock    

give sth importance 是什么变重要

and given petroleum major importance in the economies of produce and consumer

consumer counties alike

component 组成的 构成的  成分

Heavily reliant on 严重依赖

foreign  exchange外汇

oil exports 石油出口

as a major component of import   出口的主要成分

inflation 通货膨胀

crude oil price

vehicle for  工具手段

Languague is the vehicle of human thought

virtually  实际上

in terms of  按照 在  哪方面

Domestic use       民用