外貌协会的看过来：人脸是这样形成的！
<p><span word="It">It</span>'<span word="s">s</span> <span word="what">what</span> <span word="every">every</span> <span word="expectant">expectant</span> <span word="parent">parent</span> <span word="wants">wants</span> <span word="to">to</span> <span word="know">know</span> - <span word="who">who</span> <span word="their">their</span> <span word="baby">baby</span> <span word="will">will</span> <span word="look">look</span> <span word="like">like</span>.</p><p>每个充满期待的父母都希望知道自己的孩子会长成什么样。</p><p><span word="And">And</span> <span word="this">this</span> <span word="fascinating">fascinating</span> <span word="video">video</span> <span word="goes">goes</span> <span word="some">some</span> <span word="way">way</span> <span word="to">to</span> <span word="showing">showing</span> <span word="how">how</span>.</p><p>而这个有趣的视频将告诉你人脸是怎么形成的。</p><p><span word="Produced">Produced</span> <span word="for">for</span> <span word="the">the</span> <span word="BBC">BBC</span> <span word="series">series</span> <span word="Inside">Inside</span> <span word="the">the</span> <span word="Human">Human</span> <span word="Body">Body</span> <span word="that">that</span> <span word="was">was</span> <span word="aired">aired</span> <span word="last">last</span> <span word="year">year</span>, <span word="the">the</span> <span word="animation">animation</span> <span word="is">is</span> <span word="based">based</span> <span word="on">on</span> <span word="scans">scans</span> <span word="of">of</span> <span word="a">a</span> <span word="developing">developing</span> <span word="embryo">embryo</span> <span word="and">and</span> <span word="captures">captures</span> <span word="the">the</span> <span word="formation">formation</span> <span word="of">of</span> <span word="the">the</span> <span word="face">face</span> <span word="in">in</span> <span word="the">the</span> <span word="womb">womb</span>.</p><p><span word="BBC">BBC</span>去年公布了这部探秘人体秘密的系列视频，其动画场景是根据对胚胎发育过程的扫描以及子宫内部人脸的形状捕捉影像而设计的。</p><p><span word="The">The</span> <span word="video">video</span> <span word="reveals">reveals</span> <span word="how">how</span> <span word="sections">sections</span> <span word="of">of</span> <span word="the">the</span> <span word="face">face</span> <span word="grow">grow</span> <span word="and">and</span> <span word="fit">fit</span> <span word="together">together</span> <span word="like">like</span> <span word="a">a</span> <span word="puzzle">puzzle</span> <span word="just">just</span> <span word="three">three</span> <span word="months">months</span> <span word="after">after</span> <span word="conception">conception</span>.</p><p>视频解密了怀孕前三个月人脸发育成型的过程。</p><p><span word="BBC">BBC</span>’<span word="s">s</span> <span word="Michael">Michael</span> <span word="Mosley">Mosley</span> <span word="said">said</span>: '<span word="The">The</span> <span word="three">three</span> <span word="main">main</span> <span word="sections">sections</span> <span word="of">of</span> <span word="the">the</span> <span word="puzzle">puzzle</span> <span word="meet">meet</span> <span word="in">in</span> <span word="the">the</span> <span word="middle">middle</span> <span word="of">of</span> <span word="your">your</span> <span word="top">top</span> <span word="lip">lip</span>, <span word="creating">creating</span> <span word="the">the</span> <span word="groove">groove</span> <span word="that">that</span> <span word="is">is</span> <span word="your">your</span> <span word="philtrum">philtrum</span>.'</p><p><span word="BBC">BBC</span>的<span word="Michael">Michael</span> <span word="Mosley">Mosley</span>说：“谜团的重点主要集中在上唇中部的发育，以及其周边皱纹的变化即人中的形成。”</p><p><span word="The">The</span> 30-<span word="second">second</span> <span word="clip">clip</span> <span word="strings">strings</span> <span word="together">together</span> 3-<span word="D">D</span> <span word="models">models</span> <span word="of">of</span> <span word="the">the</span> <span word="developing">developing</span> <span word="face">face</span> <span word="based">based</span> <span word="on">on</span> <span word="scans">scans</span> <span word="taken">taken</span> <span word="in">in</span> <span word="the">the</span> <span word="first">first</span> <span word="trimester">trimester</span>.</p><p>30秒长度的影片串联起不同发育阶段的3<span word="D">D</span>人脸模型，这些都是根据孕期前3个月扫描影像编辑设计的。</p>
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