亚马逊雨林大火正在释放大量一氧化碳
<p><span word="The">The</span> <span word="Amazon">Amazon</span> <span word="fires">fires</span> <span word="have">have</span> <span word="finally">finally</span> <span word="started">started</span> <span word="to">to</span> <span word="garner">garner</span> <span word="the">the</span> <span word="attention">attention</span> <span word="of">of</span> <span word="the">the</span> <span word="world">world</span>. <span word="The">The</span> <span word="wildfires">wildfires</span> <span word="and">and</span> <span word="deforestation">deforestation</span>, <span word="mostly">mostly</span> <span word="in">in</span> <span word="Brazil">Brazil</span>, <span word="are">are</span> <span word="an">an</span> <span word="ecological">ecological</span>, <span word="political">political</span>, <span word="and">and</span> <span word="societal">societal</span> <span word="disaster">disaster</span>.</p><p>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。</p><p><span word="The">The</span> <span word="rainforest">rainforest</span> <span word="ecosystem">ecosystem</span> <span word="provides">provides</span> <span word="oxygen">oxygen</span>, <span word="takes">takes</span> <span word="in">in</span> <span word="carbon">carbon</span> <span word="dioxide">dioxide</span>, <span word="supplies">supplies</span> <span word="water">water</span> <span word="vapor">vapor</span> <span word="for">for</span> <span word="the">the</span> <span word="global">global</span> <span word="weather">weather</span>-<span word="climate">climate</span> <span word="system">system</span>, <span word="and">and</span> <span word="hosts">hosts</span> <span word="untapped">untapped</span> <span word="medicinal">medicinal</span> <span word="benefits">benefits</span>.</p><p>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。</p><p><span word="The">The</span> <span word="loss">loss</span> <span word="of">of</span> <span word="trees">trees</span> <span word="and">and</span> <span word="the">the</span> <span word="sun">sun</span>-<span word="blotting">blotting</span> <span word="smoke">smoke</span> <span word="are">are</span> <span word="obvious">obvious</span> <span word="consequences">consequences</span> <span word="of">of</span> <span word="these">these</span> <span word="massive">massive</span> <span word="fires">fires</span>. <span word="However">However</span>, <span word="there">there</span> <span word="is">is</span> <span word="another">another</span> <span word="problem">problem</span> <span word="with">with</span> <span word="these">these</span> <span word="wildfires">wildfires</span>.</p><p>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。</p><p><span word="They">They</span> <span word="are">are</span> <span word="emitting">emitting</span> <span word="a">a</span> <span word="lot">lot</span> <span word="of">of</span> <span word="carbon">carbon</span> <span word="monoxide">monoxide</span>. <span word="Here">Here</span>'<span word="s">s</span> <span word="why">why</span> <span word="that">that</span> <span word="is">is</span> <span word="a">a</span> <span word="problem">problem</span>.</p><p>大火释放大量一氧化碳，下面说明一下为什么这是个问题。</p><p><span word="I">I</span> <span word="suspect">suspect</span> <span word="that">that</span> <span word="most">most</span> <span word="people">people</span> <span word="have">have</span> <span word="some">some</span> <span word="familiarity">familiarity</span> <span word="with">with</span> <span word="carbon">carbon</span> <span word="monoxide">monoxide</span> <span word="because">because</span> <span word="it">it</span> <span word="can">can</span> <span word="be">be</span> <span word="harmful">harmful</span> <span word="to">to</span> <span word="humans">humans</span>.</p><p>我猜大多数人对一氧化碳比较熟悉，因为它对人体有害。</p><p><span word="If">If</span> <span word="exposed">exposed</span> <span word="to">to</span> <span word="it">it</span> <span word="for">for</span> <span word="even">even</span> <span word="short">short</span> <span word="period">period</span> <span word="of">of</span> <span word="time">time</span>, <span word="carbon">carbon</span> <span word="monoxide">monoxide</span> <span word="can">can</span> <span word="quickly">quickly</span> <span word="replace">replace</span> <span word="oxygen">oxygen</span> <span word="in">in</span> <span word="the">the</span> <span word="blood">blood</span>, <span word="which">which</span> <span word="can">can</span> <span word="cause">cause</span> <span word="serious">serious</span> <span word="or">or</span> <span word="even">even</span> <span word="fatal">fatal</span> <span word="outcomes">outcomes</span> <span word="according">according</span> <span word="to">to</span> <span word="the">the</span> <span word="Occupational">Occupational</span> <span word="Safety">Safety</span> <span word="and">and</span> <span word="Health">Health</span> <span word="Administration">Administration</span> (<span word="OSHA">OSHA</span>).</p>
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