科学家向你解释为什么大熊猫的皮毛只有黑白两色
<p><span word="The">The</span> <span word="unique">unique</span> <span word="coloration">coloration</span> <span word="of">of</span> <span word="the">the</span> <span word="giant">giant</span> <span word="panda">panda</span> <span word="that">that</span> <span word="is">is</span> <span word="loved">loved</span> <span word="by">by</span> <span word="many">many</span> <span word="people">people</span> <span word="has">has</span> <span word="long">long</span> <span word="been">been</span> <span word="a">a</span> <span word="mystery">mystery</span> <span word="to">to</span> <span word="scientists">scientists</span>.</p><p>大熊猫很受人们的喜爱，但是对科学家来说，它们那独特的皮毛颜色一直都是一个谜。</p><p><span word="But">But</span> <span word="now">now</span> <span word="a">a</span> <span word="joint">joint</span> <span word="research">research</span> <span word="team">team</span> <span word="believes">believes</span> <span word="they">they</span> <span word="have">have</span> <span word="solved">solved</span> <span word="the">the</span> <span word="mystery">mystery</span>, <span word="once">once</span> <span word="and">and</span> <span word="for">for</span> <span word="all">all</span>.</p><p>但是现在，一个联合研究团队相信他们已经解决了这个谜团。</p>
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