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恐龙也变形
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课程介绍
这世界上的小恐龙都去了哪里?为何所有的博物馆里你只看到很大很大的恐龙化石?难道恐龙没有幼年期吗?那为何所有发掘的恐龙化石都是成年的?小恐龙去哪呢?
到底是什么鬼,古生物学家杰克·霍纳给我们解释了小恐龙到哪里去呢?一起来看揭秘吧
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  • 匿名

    好思路

    2015-06-10

  • 匿名

    哈哈,笑死我啦,今天才知道原来那些科学家天天都在取名,人家恐龙都是一个物种的偏偏把人家叫一个名字

    2015-06-10

  • 匿名
    Juno,Ritengo che IN ALCUNI CASI (e lo sottolineo) i rimedi naturali siano meno invasivi di quelli di laboratorio.Che affermazione inutile, è vero anche il contrario, in ALCUNI CASI i rimedi di laboratorio sono meno invasivi di quelli "naturali".E albaAo?rll'erlorista (giustamente) non è permesso curare malattie gravi o preparare rimedi troppo potenti, e grazie che è meno invasivo, ha a che fare solo con disturbi leggeri!
    2016-04-23
    匿名
    Th'tas going to make things a lot easier from here on out.
    2016-04-25
    匿名
    Jo;tÃRui,"sHerdou&quo©; da família Pinto de Magalhães. cj conflito judicial que o opôs à dita familia sobre a Sonae.Sobre o PCP my point is: Como explicar que nos anos 40/50/60 este partido surja praticamente como a única oposição ao regime? Não discuto a natureza das suas ideias e práticas consabidamente totalitárias. http://iwlxgkclplo.com [url=http://dkqzhw.com]dkqzhw[/url] [link=http://uaeuvokusr.com]uaeuvokusr[/link]
    2016-04-26
    匿名
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    2016-04-26
    匿名
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    2016-04-26
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讲师介绍
  • 讲师:杰克·霍纳(Dinosaur digger)

    Jack Horner and his dig teams have discovered the first evidence of parental care in dinosaurs, extensive nesting grounds, evidence of dinosaur herds, and the world’s first dinosaur embryos. He's now exploring how to build a dinosaur.