单词：karstics
岩溶的
(karstic 的复数)
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不平静的坟墓.the.unquiet.grave
China and Iceland have signed a Free Trade Agreement. The agreement was signed during Icelandic Prime Minister Johanna Sigur-dar-dottir's official visit to China on Monday. Iceland becomes the first European nation to have an FTA with China. The agre
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Evan Gant使声波可视，给我们展示了cymatics的科技性和艺术性。cymatics不仅可以分析复杂的声波，例如海豚的声音，还可以创造复杂而漂亮的设计。
TED公开课:头脑游戏
Pakistan is enlisting local tribal militias in the fight against Islamic militants. A report, first published in an American newspaper article on Thursday, says the government is procuring Chinese-made weapons to arm the militias in the rugged triba
VOA标准英语2008年（十月）
MUNICH, Germany, Dec. 27 (Xinhua) -- German car producer Audi AG announced Saturday to expand its investment program to 24 billion euros (29 billion U.S. dollars) at home and abroad from 2015 through 2019. The total investment volume comprises about
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