Shipwreck finds earliest astrolabe 沉船中发现世上最早航海星盘
<p><span word="Shipwreck">Shipwreck</span> <span word="finds">finds</span> <span word="earliest">earliest</span> <span word="astrolabe">astrolabe</span> 沉船中发现世上最早航海星盘</p><p> 一个从一艘沉船中挖掘出的史前器物可能是目前世上发现的最早用于导航的工具。海洋考古学家说这个物体是一个“星盘”，海员在航行中用它测量太阳的高度，以确定所在位置。这个星盘是在1503年在印度洋暴风雪期间沉没的一艘葡萄牙船舰中找到的。请听报道。</p><p><span word="The">The</span> <span word="slim">slim</span> <span word="bronze">bronze</span> <span word="disc">disc</span> <span word="was">was</span> <span word="discovered">discovered</span> <span word="during">during</span> <span word="the">the</span> <span word="excavation">excavation</span> <span word="of">of</span> <span word="the">the</span> <span word="Esmeralda">Esmeralda</span> <span word="shipwreck">shipwreck</span> – <span word="a">a</span> <span word="Portuguese">Portuguese</span> <span word="vessel">vessel</span> <span word="that">that</span> <span word="was">was</span> <span word="exploring">exploring</span> <span word="the">the</span> <span word="Indian">Indian</span> <span word="Ocean">Ocean</span> <span word="when">when</span> <span word="it">it</span> <span word="sank">sank</span> <span word="in">in</span> <span word="a">a</span> <span word="storm">storm</span> <span word="in">in</span> 1503.</p><p><span word="The">The</span> <span word="object">object</span> <span word="is">is</span> <span word="decorated">decorated</span> <span word="with">with</span> <span word="a">a</span> <span word="royal">royal</span> <span word="coat">coat</span> <span word="of">of</span> <span word="arms">arms</span>, <span word="but">but</span> <span word="laser">laser</span> <span word="scanning">scanning</span> <span word="also">also</span> <span word="revealed">revealed</span> <span word="faint">faint</span> <span word="etchings">etchings</span> <span word="around">around</span> <span word="its">its</span> <span word="edges">edges</span>, <span word="each">each</span> <span word="separated">separated</span> <span word="by">by</span> <span word="five">five</span> <span word="degrees">degrees</span>. <span word="It">It</span> <span word="confirms">confirms</span> <span word="that">that</span> <span word="this">this</span> <span word="is">is</span> <span word="an">an</span> <span word="astrolabe">astrolabe</span> - <span word="an">an</span> <span word="instrument">instrument</span> <span word="used">used</span> <span word="by">by</span> <span word="mariners">mariners</span> <span word="to">to</span> <span word="measure">measure</span> <span word="the">the</span> <span word="height">height</span> <span word="of">of</span> <span word="the">the</span> <span word="sun">sun</span> <span word="above">above</span> <span word="the">the</span> <span word="horizon">horizon</span>, <span word="enabling">enabling</span> <span word="them">them</span> <span word="to">to</span> <span word="navigate">navigate</span> <span word="the">the</span> <span word="seas">seas</span>.</p><p><span word="Only">Only</span> <span word="around">around</span> <span word="one">one</span> <span word="hundred">hundred</span> <span word="of">of</span> <span word="these">these</span> <span word="items">items</span> <span word="have">have</span> <span word="been">been</span> <span word="found">found</span>, <span word="and">and</span> <span word="this">this</span> <span word="one">one</span> <span word="most">most</span> <span word="likely">likely</span> <span word="dates">dates</span> <span word="to">to</span> <span word="the">the</span> <span word="late">late</span> <span word="fifteenth">fifteenth</span> <span word="century">century</span>, <span word="making">making</span> <span word="it">it</span> <span word="the">the</span> <span word="earliest">earliest</span> <span word="known">known</span> <span word="example">example</span> <span word="by">by</span> <span word="several">several</span> <span word="decades">decades</span>.</p><p>词汇表<span word="bronze">bronze</span> 铜的，青铜的</p><p><span word="disc">disc</span> 圆盘，盘状物</p><p><span word="excavation">excavation</span> 挖掘，发掘</p><p><span word="shipwreck">shipwreck</span> 沉船</p><p><span word="vessel">vessel</span> 船，舰</p><p><span word="sank">sank</span>（使）沉没了</p><p><span word="is">is</span> <span word="decorated">decorated</span> <span word="with">with</span> 用…装饰</p><p><span word="royal">royal</span> <span word="coat">coat</span> <span word="of">of</span> <span word="arms">arms</span> 皇家纹章</p><p><span word="laser">laser</span> <span word="scanning">scanning</span> 激光扫描</p>
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