Scientists discover rare ancient fossil fruit 科学家发现罕见果实植物化石
<p>媒体英语<span word="Scientists">Scientists</span> <span word="discover">discover</span> <span word="rare">rare</span> <span word="ancient">ancient</span> <span word="fossil">fossil</span> <span word="fruit">fruit</span> 科学家发现罕见果实植物化石</p><p><span word="Play">Play</span> <span word="audio">audio</span> <span word="file">file</span>文字稿 一个有5200 万年历史的果实化石在南美被发现。这枚远古时期的浆果所属的植物种类包括现在人们喜欢吃的土豆、西红柿和辣椒。科学家们说，这个化石的发现说明茄科植物的起源比人类先前想象的要早了好几千万年。请听 <span word="Helen">Helen</span> <span word="Briggs">Briggs</span> 的报道。</p><p><span word="Scientists">Scientists</span> <span word="at">at</span> <span word="Pennsylvania">Pennsylvania</span> <span word="State">State</span> <span word="University">University</span> <span word="say">say</span> <span word="the">the</span> <span word="small">small</span> <span word="fruit">fruit</span> <span word="resembles">resembles</span> <span word="the">the</span> <span word="modern">modern</span> <span word="day">day</span> <span word="ground">ground</span> <span word="cherry">cherry</span> <span word="or">or</span> <span word="Physalis">Physalis</span> <span word="and">and</span> <span word="tomatillo">tomatillo</span>.</p><p><span word="Little">Little</span> <span word="is">is</span> <span word="known">known</span> <span word="about">about</span> <span word="how">how</span> <span word="these">these</span> <span word="plants">plants</span> <span word="evolved">evolved</span>, <span word="as">as</span> <span word="until">until</span> <span word="now">now</span>, <span word="only">only</span> <span word="a">a</span> <span word="few">few</span> <span word="fossilised">fossilised</span> <span word="seeds">seeds</span> <span word="have">have</span> <span word="been">been</span> <span word="found">found</span>. <span word="The">The</span> <span word="plant">plant</span> <span word="is">is</span> <span word="part">part</span> <span word="of">of</span> <span word="the">the</span> <span word="nightshade">nightshade</span> <span word="family">family</span>, <span word="a">a</span> <span word="group">group</span> <span word="of">of</span> <span word="more">more</span> <span word="than">than</span> 2000 <span word="different">different</span> <span word="species">species</span>. <span word="They">They</span> <span word="include">include</span> <span word="crops">crops</span> <span word="such">such</span> <span word="as">as</span> <span word="potatoes">potatoes</span>, <span word="peppers">peppers</span> <span word="and">and</span> <span word="tomatoes">tomatoes</span>, <span word="the">the</span> <span word="tobacco">tobacco</span> <span word="plant">plant</span>, <span word="plants">plants</span> <span word="used">used</span> <span word="for">for</span> <span word="medicines">medicines</span> <span word="and">and</span> <span word="flowers">flowers</span> <span word="grown">grown</span> <span word="in">in</span> <span word="gardens">gardens</span> <span word="such">such</span> <span word="as">as</span> <span word="petunia">petunia</span>. <span word="The">The</span> <span word="discovery">discovery</span> <span word="pushes">pushes</span> <span word="back">back</span> <span word="the">the</span> <span word="origins">origins</span> <span word="of">of</span> <span word="this">this</span> <span word="plant">plant</span> <span word="family">family</span> <span word="by">by</span> <span word="tens">tens</span> <span word="of">of</span> <span word="millions">millions</span> <span word="of">of</span> <span word="years">years</span>.</p><p><span word="Scientists">Scientists</span> <span word="believe">believe</span> <span word="many">many</span> <span word="more">more</span> <span word="fossil">fossil</span> <span word="plants">plants</span> <span word="are">are</span> <span word="waiting">waiting</span> <span word="to">to</span> <span word="be">be</span> <span word="discovered">discovered</span> <span word="in">in</span> <span word="South">South</span> <span word="America">America</span>, <span word="adding">adding</span> <span word="to">to</span> <span word="our">our</span> <span word="knowledge">knowledge</span> <span word="of">of</span> <span word="how">how</span> <span word="some">some</span> <span word="of">of</span> <span word="the">the</span> <span word="world">world</span>’<span word="s">s</span> <span word="most">most</span> <span word="valuable">valuable</span> <span word="crops">crops</span> <span word="evolved">evolved</span> <span word="and">and</span> <span word="flourished">flourished</span>. </p><p>词汇表 <span word="resembles">resembles</span> 像…，类似于</p><p><span word="modern">modern</span> <span word="day">day</span> 现代的</p><p><span word="Physalis">Physalis</span> 酸浆属（植物物种名称）</p><p><span word="fossilised">fossilised</span> 变成化石</p><p><span word="nightshade">nightshade</span> 茄科植物 </p><p><span word="crops">crops</span> 农作物</p>
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