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Trees help to remove carbon dioxide from the atmosphere.树木有助于清除大气中的二氧化碳。Heat is released into the atmosphere by cars.汽车产生的热量被释放到了大气中。The level of radiation in the atmosphere is really very small.大气中的辐射水平其实很低。No one knows how fast the earth will warm up as carbon dioxide and other gases build up in the atmosphere.随着大气中的二氧化碳和其他气体不断增多，没人知道地球变暖的速度会有多快。A radar-like device will detect ice and dust hazes in the atmosphere.一台雷达似的装置将探测大气中形成雾霾的冰晶和灰尘。Volcanic eruptions had tossed enough dust into the atmosphere to screen out sunlight.火山爆发将大量烟尘喷到大气中，遮住了阳光。The high oxygen content of Earth's atmosphere makes life here possible.地球大气中的高氧气含量使生命得以存在。Sulphur dioxide is one of several pollutants that are released into the atmosphere by coal-fired power stations.二氧化硫是火力发电站排放到大气中的若干污染物之一。High levels of lead were detected in the atmosphere.经检测发现大气中铅的含量很高。They pour tons of pollutant into the atmosphere.他们将成吨的有害物质倾入大气中。The shifting magnetic fields energize particles in the Earth's atmosphere and inflame the northern lights.不断转移的磁场使地球大气中的粒子能量增加，从而点亮了北极光。Climatic changes are caused by the increasing levels of carbon dioxide in the atmosphere.气候变化是由大气中二氧化碳的含量不断增加而引起的。Dangerous gases have escaped into the atmosphere.危险气体已经泄漏到大气中。Now we finally have some information on how the desert dust is fluctuating.现在我们终于有了一些关于大气中沙漠尘埃量变化的信息。Plants are the main source of atmospheric oxygen.大气中的氧气主要是植物产生的。These factories are releasing toxic gases into the atmosphere.这些工厂向大气中排放有毒气体。Atmospheric levels of carbon dioxide will triple compared to pre-industrial levels.大气中的二氧化碳水平将是工业化前的三倍。This means that less carbon dioxide will be released into the atmosphere.这意味着释放到大气中的二氧化碳将减少。Poisonous gases are pumped into the atmosphere every day.每天都有有毒气体被排放到大气中。Fox was one of the first US scientists to call attention to the rising levels of carbon dioxide in the atmosphere.福克斯是最早提醒人们注意大气中二氧化碳含量提高的美国科学家之一。Another idea is to condense water vapor from the atmosphere in the tropics by cooling it with cold ocean water.另一个想法是，用冰凉的海水把热带地区大气中的水蒸气冷却凝结。 |