自我保护之冻结的一瞬间
<p><span word="Suppose">Suppose</span> <span word="you">you</span> <span word="are">are</span> <span word="an">an</span> <span word="animal">animal</span>. <span word="Well">Well</span>, <span word="actually">actually</span>, <span word="you">you</span> <span word="are">are</span> <span word="an">an</span> <span word="animal">animal</span>, <span word="but">but</span> <span word="suppose">suppose</span> <span word="you">you</span>’<span word="re">re</span> <span word="another">another</span> <span word="kind">kind</span> <span word="of">of</span> <span word="animal">animal</span>, <span word="maybe">maybe</span> <span word="something">something</span> <span word="small">small</span> <span word="that">that</span> <span word="might">might</span> <span word="make">make</span> <span word="a">a</span> <span word="tasty">tasty</span> <span word="snack">snack</span> <span word="for">for</span> <span word="a">a</span> <span word="larger">larger</span> <span word="predator">predator</span>. <span word="You">You</span>’<span word="re">re</span> <span word="walking">walking</span> <span word="along">along</span> <span word="one">one</span> <span word="day">day</span> <span word="when">when</span> <span word="you">you</span> <span word="see">see</span> <span word="a">a</span> <span word="big">big</span> <span word="dog">dog</span>. <span word="What">What</span> <span word="do">do</span> <span word="you">you</span> <span word="do">do</span>? 假设你是一只动物。额，你其实本来就是一只动物。但假设你是另外一种动物，也许是一种可以被食肉动物当成可口点心的小动物。如果有一天你在独自散步时看到一条大狗，你会怎么办？</p><p><span word="Well">Well</span>, <span word="depending">depending</span> <span word="on">on</span> <span word="what">what</span> <span word="kind">kind</span> <span word="of">of</span> <span word="animal">animal</span> <span word="you">you</span> <span word="are">are</span>, <span word="you">you</span> <span word="have">have</span> <span word="different">different</span> <span word="options">options</span>. <span word="A">A</span> <span word="skunk">skunk</span> <span word="can">can</span> <span word="spray">spray</span> <span word="a">a</span> <span word="noxious">noxious</span> <span word="liquid">liquid</span> <span word="that">that</span> <span word="will">will</span> <span word="repel">repel</span> <span word="predators">predators</span>, <span word="a">a</span> <span word="cat">cat</span> <span word="can">can</span> <span word="make">make</span> <span word="its">its</span> <span word="hair">hair</span> <span word="stand">stand</span> <span word="on">on</span> <span word="end">end</span> <span word="so">so</span> <span word="that">that</span> <span word="it">it</span> <span word="seems">seems</span> <span word="larger">larger</span> <span word="than">than</span> <span word="it">it</span> <span word="is">is</span>, <span word="or">or</span> <span word="some">some</span> <span word="animals">animals</span>, <span word="such">such</span> <span word="as">as</span> <span word="opossums">opossums</span>, <span word="may">may</span> <span word="pretend">pretend</span> <span word="to">to</span> <span word="be">be</span> <span word="dead">dead</span> <span word="already">already</span>. 好吧，这取决于你是哪种动物，你有不同的选择。一只臭鼬可以释放毒液击退捕食者，一只猫可以让它的毛发倒竖起来，让它看起来比往常更大，还有一些动物，比如负鼠，也许早已装死躺在地上了。</p><p><span word="There">There</span>’<span word="s">s</span> <span word="another">another</span> <span word="strategy">strategy</span> <span word="all">all</span> <span word="these">these</span> <span word="animals">animals</span> <span word="have">have</span>, <span word="though">though</span>. <span word="You">You</span>’<span word="ve">ve</span> <span word="seen">seen</span> <span word="it">it</span> <span word="before">before</span>, <span word="but">but</span> <span word="maybe">maybe</span> <span word="never">never</span> <span word="thought">thought</span> <span word="about">about</span> <span word="it">it</span>. <span word="They">They</span> <span word="can">can</span> <span word="freeze">freeze</span>. 其实这些动物还有另外一条策略，虽然你可能以前见过，但也许你从来没想到过。它们可以冻结。</p><p><span word="When">When</span> <span word="a">a</span> <span word="squirrel">squirrel</span> <span word="or">or</span> <span word="a">a</span> <span word="rabbit">rabbit</span> <span word="or">or</span> <span word="a">a</span> <span word="chipmunk">chipmunk</span> <span word="freezes">freezes</span>, <span word="it">it</span> <span word="can">can</span> <span word="remain">remain</span> <span word="almost">almost</span> <span word="entirely">entirely</span> <span word="motionless">motionless</span> <span word="for">for</span> <span word="minutes">minutes</span> <span word="at">at</span> <span word="a">a</span> <span word="time">time</span>. <span word="Try">Try</span> <span word="it">it</span> <span word="yourself">yourself</span>. <span word="Whatever">Whatever</span> <span word="position">position</span> <span word="you">you</span>’<span word="re">re</span> <span word="in">in</span> <span word="right">right</span> <span word="now">now</span>, <span word="move">move</span> <span word="nothing">nothing</span> <span word="at">at</span> <span word="all">all</span> <span word="for">for</span> <span word="the">the</span> <span word="next">next</span> <span word="minute">minute</span>. <span word="It">It</span>’<span word="s">s</span> <span word="not">not</span> <span word="so">so</span> <span word="easy">easy</span>! 当一只松鼠，兔子或花栗鼠冻结时，它可以一次保持完全静止不动达数分钟之久。你自己试试。不管你现在是什么姿势，在下一分钟内保持一动也不动。这可没那么简单！</p>
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