热浪席卷全球,人体对高温的耐受临近极限!
<p><span word="Extreme">Extreme</span> <span word="global">global</span> <span word="temperatures">temperatures</span> <span word="are">are</span> <span word="pushing">pushing</span> <span word="the">the</span> <span word="human">human</span> <span word="body">body</span> "<span word="close">close</span> <span word="to">to</span> <span word="thermal">thermal</span> <span word="limits">limits</span>", <span word="according">according</span> <span word="to">to</span> <span word="a">a</span> <span word="climate">climate</span> <span word="scientist">scientist</span>.</p><p>一位气候科学家表示，全球极端气温正将人体推向“高温极限”。</p><p><span word="Record">Record</span>-<span word="breaking">breaking</span> <span word="heat">heat</span> <span word="has">has</span> <span word="swept">swept</span> <span word="through">through</span> <span word="Europe">Europe</span> <span word="this">this</span> <span word="week">week</span> <span word="with">with</span> <span word="temperatures">temperatures</span> <span word="topping">topping</span> 40°<span word="C">C</span> <span word="in">in</span> <span word="a">a</span> <span word="number">number</span> <span word="of">of</span> <span word="countries">countries</span>.</p><p>本周，破纪录的高温席卷欧洲，一些国家的气温超过40摄氏度。</p><p><span word="However">However</span>, <span word="in">in</span> <span word="places">places</span> <span word="such">such</span> <span word="as">as</span> <span word="South">South</span> <span word="Asia">Asia</span> <span word="and">and</span> <span word="the">the</span> <span word="Persian">Persian</span> <span word="Gulf">Gulf</span>, <span word="people">people</span> <span word="are">are</span> <span word="already">already</span> <span word="enduring">enduring</span> <span word="temperatures">temperatures</span> <span word="reaching">reaching</span> <span word="up">up</span> <span word="to">to</span> 54°<span word="C">C</span>.</p><p>然而，在南亚和波斯湾等地，人们忍受的高温已达54摄氏度。</p><p><span word="Despite">Despite</span> <span word="all">all</span> <span word="the">the</span> <span word="body">body</span>'<span word="s">s</span> <span word="thermal">thermal</span> <span word="efficiencies">efficiencies</span>, <span word="these">these</span> <span word="areas">areas</span> <span word="could">could</span> <span word="soon">soon</span> <span word="be">be</span> <span word="uninhabitable">uninhabitable</span>, <span word="according">according</span> <span word="to">to</span> <span word="Loughborough">Loughborough</span> <span word="University">University</span> <span word="climate">climate</span> <span word="scientist">scientist</span> <span word="Dr">Dr</span> <span word="Tom">Tom</span> <span word="Matthews">Matthews</span> <span word="in">in</span> <span word="The">The</span> <span word="Conversation">Conversation</span>.</p><p>拉夫堡大学气候科学家汤姆·马修斯博士在<span word="The">The</span> <span word="Conversation">Conversation</span>网站上说，尽管人体的热效率很高，但这些区域可能很快就不宜居住了。</p><p><span word="When">When</span> <span word="air">air</span> <span word="temperature">temperature</span> <span word="exceeds">exceeds</span> 35°<span word="C">C</span>, <span word="the">the</span> <span word="body">body</span> <span word="relies">relies</span> <span word="on">on</span> <span word="sweating">sweating</span> <span word="to">to</span> <span word="keep">keep</span> <span word="core">core</span> <span word="temperatures">temperatures</span> <span word="at">at</span> <span word="a">a</span> <span word="safe">safe</span> <span word="level">level</span>. <span word="However">However</span>, <span word="when">when</span> <span word="the">the</span> "<span word="wet">wet</span> <span word="bulb">bulb</span>" <span word="temperature">temperature</span> – <span word="which">which</span> <span word="reflects">reflects</span> <span word="the">the</span> <span word="ability">ability</span> <span word="of">of</span> <span word="moisture">moisture</span> <span word="to">to</span> <span word="evaporate">evaporate</span> – <span word="reaches">reaches</span> 35°<span word="C">C</span>, <span word="this">this</span> <span word="system">system</span> <span word="no">no</span> <span word="longer">longer</span> <span word="works">works</span>.</p><p>当气温超过35摄氏度时，身体依靠流汗来将核心温度保持在安全水平。然而，当反映水分蒸发能力的“湿球温度”达到35摄氏度时，该机能就不再起作用了。</p>
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