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authority (通常用复数）当局 blacken 变黑 century 世纪 control 控制 desolate 荒凉的 destruction 破坏，毁灭 flood 洪水，水灾 for centuries 几个世纪来 get under control 控制住，得到控制 grass-seed 草籽 in huge q

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For such a big sum, we should attach importance to it. 数目如此之大，我们将予以重视。 Lets talk about the problem of quantity. 我们谈谈数量的问题吧。 Youll issue a certificate of quantity and weight. 你们必须出具数量和

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数量 Quantity

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SSS 2010-10-06

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SSS 2010-10-05

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And then our mothers tell us, Careful you don't fall down, because you'll fall over. 然后母亲告诉我们，没有跌倒也要小心，因为你还会掉下来。 Now, go into the real atmosphere of this planet. 现在，进入这个行星真正的

TED演讲 :飞向海洋(2)

Well, it's the relative importance. 就是二者间的相对重要性。 You would say-yeah, yeah, yeah, we all know this;water covers twice the area of the planet than dry land. 也许你会说，是，是，是，我们都知道，地球上水覆盖的

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TED演讲 4D打印机的诞生(2)

So I'd like to propose that we can combine those two worlds, that we can combine the world of the nanoscale programmable adaptive materials and the built environment. 所以我建议把这两个世界结合起来，把纳米级上可程序化、能自我