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2018年04月24日 07:13:29来源:飞度咨询快答

TED演讲视频:俯瞰生态圈我们的森林到底是由什么组成的呢?生态学家阿斯纳用光谱仪和高精度激光器,从空中对大自然进行了精细的3D描绘——他自己称之为“高科技的碳测量系统”。在这次有趣的演讲中,阿斯纳明确的告诉我们:为了挽救我们的生态系统,我们需要新的手段、用于聚集更多的数据。201702/491281。

  • TED演讲集 那些匪夷所思的新奇思想201611/478374。
  • 栏目简介:Meanwhile, football fans elsewhere in the city gathered last night to share game-watching experiences for the just finished semi-finals of this years Champions League. Yuan Chenyue talked with fans to learn what they think of the game.201702/490218。
  • Sarah Ellis is going to repeat an experiment莎拉·埃利斯将重复一项实验first conducted at the University of Sussex on her own cats.当初在萨赛克斯大学时用自己的猫做的实验It focuses on two different types of purr.实验的重点是两种不同的咕噜声Shes going to record them她将进行录音to find out what makes purring such an effective way以揭开为何咕噜声能够成为for cats to get our attention.猫吸引人注意力的有效方式The first is the non-solicitation purr.首先是非乞求式咕噜The non-solicitation purr非乞求式咕噜will be the one that people are most familiar with.是最为人们所熟悉的Thats the purr that cats do when they are content, relaxed,这种咕噜声在猫满足 放松时when theyre being stroked or interacted with by their owners,被主人抚摸 与主人互动时or if theyre sitting on your knee, for example.或者是他们坐在你大腿上时发出In you come, good boy.进来吧 乖乖But scientists are particularly interested然而科学家对另外一种咕噜声in another type of purr,十分感兴趣the so-called solicitation purr.即所谓的乞求式咕噜声重点解释:1.on ones own 独立地例句:I was able to finish the job on my own.我能独自地把工作做完。2.find out 发现例句:Lets find out.我们去问一下吧。3.familiar with 熟悉例句:The children are too familiar with their teacher.这帮小学生对老师过于随便。201609/465616。
  • 栏目简介:An eight-month-old boy suffering from a rare birth defect affecting his skull went home today, after undergoing surgery earlier this month at Shanghai Childrens Medical Center. For the first time in China, doctors used 3D printing technology to help plan the surgery. Reporter Song Wenjing has the story.201706/510988。
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