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The Amazon fires have finally started to garner the attention of the world. The wildfires and deforestation, mostly in Brazil, are an ecological, political, and societal disaster. 亚马逊大火终于开始引起世界关注了，主要出现在巴西境内的野火和森林砍伐是一场生态、政治和社会灾难。 The rainforest ecosystem provides oxygen, takes in carbon dioxide, supplies water vapor for the global weather-climate system, and hosts untapped medicinal benefits. 雨林生态系统释放氧气、吸收二氧化碳、为全球气候系统提供水汽，还有未开发的药用价值。 The loss of trees and the sun-blotting smoke are obvious consequences of these massive fires. However, there is another problem with these wildfires. 这些大火明显造成了树木的损失，产生了蔽日的浓烟，但野火还有另外一个问题。 They are emitting a lot of carbon monoxide. Here's why that is a problem. 大火释放大量一氧化碳，下面说明一下为什么这是个问题。 I suspect that most people have some familiarity with carbon monoxide because it can be harmful to humans. 我猜大多数人对一氧化碳比较熟悉，因为它对人体有害。 If exposed to it for even short period of time, carbon monoxide can quickly replace oxygen in the blood, which can cause serious or even fatal outcomes according to the Occupational Safety and Health Administration (OSHA). | 
