The Fifty-second Of Word-Day

一：文章

Vocabulary. migration, resistance, integrated.

The World Future Society has published a special report about forces changing the world.

One of them is population growth.

The report says the world is expected to have more than 9,000 million people by the middle of this century.

Population growth in many industrial nations, however, is expected to drop.

But medical progress helps their people to live longer lives.

International migration is also shaping the future.

The report says there is some resistance but also growing acceptance of cultural differences.

The world economy is also becoming more integrated.

On the issue of energy, the use of oil is expected to reach 110 million barrels a day by 2020.

二：单词

petroleum：英 [pə'trəʊlɪəm]
n. 石油
n. a dark oil consisting mainly of hydrocarbons

fossil：英 ['fɒs(ə)l; -sɪl]
n. 化石；僵化的事物；顽固不化的人
This fossil was discovered in Liaoning Province.
这块化石是在辽宁省发现的。

adj. 化石的；陈腐的，守旧的
We have fossil fuel on Earth.
我们地球上有矿物燃料。

fossil oil：石油

Latin：英 ['lætɪn]
n. 拉丁语；拉丁人；拉丁音乐
It was in Latin.
是用拉丁语说的。

adj. 拉丁语的，用拉丁语写成的；拉丁语系国家（或民族）的；拉丁人的
Cuba was one of the least Catholic of the Latin countries.
古巴是拉丁语国家中最不信仰天主教的国家之一。

liquid：英 ['lɪkwɪd]
adj. 液体的；清澈的；明亮的；易变的
Wash in warm water with liquid detergent.
用液体清洁剂在温水中清洗。

n. 液体，流体；流音
Drink plenty of liquid.
饮用大量液体。

rock：英 [rɒk]
n. 岩石；摇滚乐；暗礁
She sat cross-legged on the rock.
她盘着腿坐在那块巨石上。

vt. 摇动；使摇晃
vi. 摇动；摇晃
His death rocked the fashion business.
他的死震惊了时装界。

rock oil：石油

crude：英 [kruːd]
adj. 粗糙的；天然的，未加工的；粗鲁的
...crude wooden boxes.
…粗制的木盒子。

impurity：英 [ɪm'pjʊərɪtɪ]
n. 杂质；不纯；不洁
What are these sources of impurity?
不纯洁的来源又是什么呢？

bury：英 ['berɪ]
vt. 埋葬；隐藏
She buried it under some leaves.
她把它埋藏在一些树叶下。

carbon：英 ['kɑːb(ə)n]
n. [化学] 碳；碳棒；复写纸
They degrade into carbon and oxygen.
他们能被降解成碳和氧。

adj. 碳的；碳处理的
What should we do to "low carbon life"?
低碳生活，我们应该怎样做？

hydrogen：英 ['haɪdrədʒ(ə)n]
n. [化学] 氢
But not everyone sees the hydrogen fuel cell bus as the hope of the future.
但并不是每个人都把氢燃料电池巴士看作为未来的希望。

molecule：英 ['mɒlɪkjuːl]
n. [化学] 分子；微小颗粒，微粒
We do all of this to understand the chemistry of one molecule.
我们做了所有这样的事，以了解一个分子的化学性质。

三：句子

Petroleum is a fossil fuel.
石油是一种化石燃料

These remains were buried deep bellow levels of rock over time and under great pressure.
随着时间的推移，这些遗骸被深埋在岩石的波纹中，承受着巨大的压力。

Oil can also contain other elements.
石油还可能含有其他元素。

Crude oil or unprocessed petroleum is called sour when it contains a lot of sulfur and impurity.
原油或未经加工的石油含有大量的硫和杂质，称为酸性石油。

Sour crude requires more refining than sweet crude which is often more valuable.
含硫原油比含硫原油需要更多的提炼，而含硫原油往往更有价值。