VOA常速英语:Study: Reducing Soot is Fastest Way to Slow Climate Change

短语讲解：

1. He calculates that soot accounts for between 15 and 20 percent of global warming.

account for占有，占...百分比
例句：APEC members account for more than half of the world's economic output.
亚太经合组织成员的经济总量在世界占一半以上。

2. His study, presented this week at the American Chemical Society meeting in Colorado, describes how black carbon - the main component in soot - heats up clouds when it mingles with the rain drops suspended within them.

heat up变热
例句：The iron heats up under the sun.
铁在阳光照射下温度升高。
mingle with (使)与…混合
例句：Oil will not mingle with water.
油和水不相融。

3. And it turned out that there is more heating when the black carbon was inside the drop than between the drops and there was more heating when the black carbon was between the drop than outside of the cloud.

turn out结果是, 原来是
例句：It turned out that he was never there.
原来他根本没去过那儿。

4. His research found that airborne soot quickly burns off cloud cover.

burn off烧掉,蒸发
例句：The fog will burn off before noon.
雾会在中午以前消散。

5. The white sea ice, which normally reflects sunlight and heat back into space, is giving way to darker areas of open water, which absorbs heat faster, and so accelerates the warming.

give way to让路,让步
例句：Cloudy mornings give way to clear evenings
【谚】早晨云遮日，晚上星满天。

6. And so it may be the only way to prevent or slow down the elimination of the Arctic.

slow down (使)慢下来
例句：The machine slowed down and stopped.
机器逐渐减慢了转速, 终于停住了。

7. And that has implications, of course, not only for climate feedbacks, but also for wildlife such as polar bears which rely on ice floes to survive.

rely on信赖, 依赖
例句：You may rely on my early arrival.
你放心好了, 我会早到的。

8. You can certainly put on particle traps on vehicles, off road equipment, passenger vehicles and buses, trucks.

put on打开
例句：She put the radio on to listen to the news.
她打开收音机收听新闻。

9. But in terms of controlling CO2 and soot, which I think really we want to do, it is really changing the energy infrastructure and the vehicle infrastructure.

in terms of就…而言, 从…方面说来
例句：He referred to your work in terms of high praise.
他对你的工作大加赞扬。