这个问题有点“污”…人一生要排多少便便？
<p>人一生中要排多少便便？美国趣味科学网站近日给出了答案。该网站称，人们便便的数量可能根据年龄、体重、饮食、运动和其他因素会有很大差异。</p><p><span word="A">A</span> <span word="person">person</span>'<span word="s">s</span> <span word="accomplishments">accomplishments</span> <span word="accumulate">accumulate</span> <span word="over">over</span> <span word="years">years</span> <span word="and">and</span> <span word="decades">decades</span>. <span word="Something">Something</span> <span word="else">else</span> <span word="accumulates">accumulates</span>, <span word="too">too</span> — <span word="their">their</span> <span word="poop">poop</span>.</p><p>人们所获得的成就经年累月地积累，还有其他一些东西的总量也在不断累加——他们的便便。</p><p><span word="The">The</span> <span word="quantities">quantities</span> <span word="of">of</span> <span word="poop">poop</span> <span word="that">that</span> <span word="people">people</span> <span word="leave">leave</span> <span word="behind">behind</span> <span word="during">during</span> <span word="an">an</span> <span word="individual">individual</span> <span word="bathroom">bathroom</span> <span word="break">break</span> <span word="can">can</span> <span word="vary">vary</span> <span word="widely">widely</span>, <span word="depending">depending</span> <span word="on">on</span> <span word="age">age</span>, <span word="body">body</span> <span word="weight">weight</span>, <span word="diet">diet</span>, <span word="exercise">exercise</span> <span word="and">and</span> <span word="other">other</span> <span word="factors">factors</span>.</p><p>人们排出体外的便便数量可能会因年龄、体重、饮食、运动及其他因素的不同有很大差异。</p><p><span word="But">But</span> <span word="how">how</span> <span word="much">much</span> <span word="poop">poop</span> <span word="does">does</span> <span word="the">the</span> <span word="average">average</span> <span word="person">person</span> <span word="produce">produce</span> <span word="in">in</span> <span word="their">their</span> <span word="lifetime">lifetime</span>?</p><p>那么，一般来说人们一生中会排出多少便便呢？</p><p><span word="Moving">Moving</span> <span word="one">one</span>'<span word="s">s</span> <span word="bowels">bowels</span> <span word="is">is</span> <span word="part">part</span> <span word="of">of</span> <span word="the">the</span> <span word="normal">normal</span> <span word="digestive">digestive</span> <span word="process">process</span> <span word="for">for</span> <span word="most">most</span> <span word="animals">animals</span>; <span word="after">after</span> <span word="nutrients">nutrients</span> <span word="are">are</span> <span word="extracted">extracted</span> <span word="from">from</span> <span word="food">food</span> <span word="and">and</span> <span word="liquid">liquid</span>, <span word="waste">waste</span> <span word="is">is</span> <span word="eliminated">eliminated</span> <span word="as">as</span> <span word="urine">urine</span> <span word="and">and</span> <span word="feces">feces</span>.</p><p>排便是大多数动物正常消化过程中的一部分；人们从食物和液体中摄取营养物质后将废物作为尿液和便便排出。</p><p><span word="Human">Human</span> <span word="stool">stool</span>, <span word="when">when</span> <span word="healthy">healthy</span>, <span word="is">is</span> <span word="usually">usually</span> <span word="made">made</span> <span word="up">up</span> <span word="of">of</span> <span word="about">about</span> 70-<span word="percent">percent</span> <span word="solids">solids</span> <span word="and">and</span> 30-<span word="percent">percent</span> <span word="fluids">fluids</span>, <span word="Kim">Kim</span> <span word="Barrett">Barrett</span>, <span word="a">a</span> <span word="professor">professor</span> <span word="of">of</span> <span word="medicine">medicine</span> <span word="at">at</span> <span word="the">the</span> <span word="University">University</span> <span word="of">of</span> <span word="California">California</span>, <span word="San">San</span> <span word="Diego">Diego</span>, <span word="told">told</span> <span word="Live">Live</span> <span word="Science">Science</span>. <span word="Personal">Personal</span> <span word="bowel">bowel</span> <span word="habits">habits</span> <span word="notwithstanding">notwithstanding</span>, <span word="on">on</span> <span word="average">average</span>, <span word="both">both</span> <span word="men">men</span> <span word="and">and</span> <span word="women">women</span> <span word="move">move</span> <span word="their">their</span> <span word="bowels">bowels</span> <span word="about">about</span> <span word="once">once</span> <span word="per">per</span> <span word="day">day</span> <span word="and">and</span> <span word="produce">produce</span> <span word="a">a</span> <span word="daily">daily</span> <span word="average">average</span> <span word="of">of</span> 400 <span word="to">to</span> 500 <span word="grams">grams</span> <span word="of">of</span> <span word="feces">feces</span>, <span word="Barrett">Barrett</span> <span word="said">said</span>.</p>
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