生活之中到处都是辐射
<p><span word="Do">Do</span> <span word="you">you</span> <span word="believe">believe</span>, <span word="as">as</span> <span word="I">I</span> <span word="used">used</span> <span word="to">to</span>, <span word="that">that</span> <span word="radioactivity">radioactivity</span> <span word="is">is</span> <span word="very">very</span> <span word="rare">rare</span> <span word="and">and</span> <span word="very">very</span> <span word="dangerous">dangerous</span>, <span word="restricted">restricted</span> <span word="to">to</span> <span word="arsenals">arsenals</span> <span word="and">and</span> <span word="power">power</span> <span word="plants">plants</span>? <span word="Let">Let</span>'<span word="s">s</span> <span word="take">take</span> <span word="a">a</span> <span word="look">look</span> <span word="at">at</span> <span word="your">your</span> <span word="kitchen">kitchen</span>. <span word="The">The</span> <span word="bananas">bananas</span> <span word="are">are</span> <span word="radioactive">radioactive</span> <span word="from">from</span> <span word="their">their</span> <span word="potassium">potassium</span>, <span word="the">the</span> <span word="Brazil">Brazil</span> <span word="nuts">nuts</span> <span word="have">have</span> <span word="a">a</span> <span word="thousand">thousand</span> <span word="times">times</span> <span word="more">more</span> <span word="radium">radium</span> <span word="than">than</span> <span word="any">any</span> <span word="other">other</span> <span word="food">food</span> <span word="item">item</span>, <span word="and">and</span> <span word="your">your</span> <span word="dried">dried</span> <span word="herbs">herbs</span> <span word="and">and</span> <span word="spices">spices</span> <span word="were">were</span> <span word="irradiated">irradiated</span> <span word="to">to</span> <span word="counter">counter</span> <span word="bacteria">bacteria</span>, <span word="germination">germination</span> <span word="and">and</span> <span word="spoilage">spoilage</span>. <span word="There">There</span>'<span word="s">s</span> <span word="thorium">thorium</span> <span word="in">in</span> <span word="your">your</span> <span word="microwave">microwave</span> <span word="oven">oven</span> <span word="and">and</span> <span word="americium">americium</span> <span word="in">in</span> <span word="your">your</span> <span word="smoke">smoke</span> <span word="detector">detector</span>.</p><p>你是否曾经与我一样，相信放射性是非常罕见并且极度危险的东西？并且只有在军工厂和核电站才能觅到它的踪迹？让我们来看看你的厨房吧。由于含有钾元素，香蕉具有放射性；巴西坚果里含有的镭元素是其他食物的上千倍；你的干香草和香料经受过辐射杀菌处理，目的是消灭细菌、抑制萌芽、防止腐败。你的微波炉里有钍元素，而你的烟雾感应器中则有镅元素。</p><p><span word="Elsewhere">Elsewhere</span> <span word="in">in</span> <span word="the">the</span> <span word="house">house</span>, <span word="cat">cat</span> <span word="litter">litter</span>, <span word="cigarettes">cigarettes</span>, <span word="adobe">adobe</span>, <span word="granite">granite</span> <span word="and">and</span> <span word="brick">brick</span> <span word="are">are</span> <span word="all">all</span> <span word="actively">actively</span> <span word="radiating">radiating</span> <span word="you">you</span>. <span word="Always">Always</span> <span word="and">and</span> <span word="forever">forever</span>, <span word="radiation">radiation</span> <span word="is">is</span> <span word="both">both</span> <span word="raining">raining</span> <span word="down">down</span> <span word="on">on</span> <span word="you">you</span> <span word="from">from</span> <span word="the">the</span> <span word="skies">skies</span> -- <span word="striking">striking</span> <span word="mile">mile</span>-<span word="high">high</span> <span word="Denver">Denver</span> <span word="two">two</span> <span word="to">to</span> <span word="three">three</span> <span word="times">times</span> <span word="as">as</span> <span word="powerfully">powerfully</span> <span word="as">as</span> <span word="San">San</span> <span word="Diego">Diego</span> -- <span word="and">and</span> <span word="floating">floating</span> <span word="up">up</span> <span word="at">at</span> <span word="you">you</span> <span word="from">from</span> <span word="our">our</span> <span word="bedrock">bedrock</span>'<span word="s">s</span> <span word="decaying">decaying</span> <span word="uranium">uranium</span>. <span word="Those">Those</span> <span word="all">all</span>-<span word="natural">natural</span> <span word="mineral">mineral</span> <span word="waters">waters</span> <span word="you">you</span> <span word="soaked">soaked</span> <span word="in">in</span> <span word="on">on</span> <span word="that">that</span> <span word="spa">spa</span> <span word="vacation">vacation</span>? <span word="Did">Did</span> <span word="the">the</span> <span word="brochure">brochure</span> <span word="mention">mention</span> <span word="that">that</span> <span word="hot">hot</span> <span word="springs">springs</span> <span word="are">are</span> <span word="hot">hot</span> <span word="in">in</span> <span word="two">two</span> <span word="senses">senses</span>, <span word="as">as</span> <span word="the">the</span> <span word="heat">heat</span> <span word="emanates">emanates</span> <span word="from">from</span> <span word="those">those</span> <span word="same">same</span> <span word="uranium">uranium</span> <span word="combustions">combustions</span>?</p><p>环顾你家四周，猫沙盆、香烟、土坯、花岗岩和砖块都在永不停歇地辐射你。每时每刻，你不仅会受到来自天空的辐射—高原之城丹佛市受到的辐射是 地亚哥的两至三倍—还会受到来自地下基岩铀衰变的辐射。那么你在温泉假期时享受的全天然矿物质温泉水呢？宣传小册子有没有提到温泉水的热度有两个方面的含义，因为水温就来自于铀衰变所产生的热量？</p>
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