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    1. frontier

      英 ['fr?nt??; fr?n't??] 美[fr?n't?r]
      • n. 前沿;邊界;國(guó)境
      • adj. 邊界的;開拓的
      • n. (Frontier)人名;(法)弗龍捷

      考試真題


      Each burning season in the Amazon, fires deliberately set by frontier settlers and developers hurl up almost half a billion metric tons of carbon a year, placing Brazil among the top five contributors to greenhouse gases in the world.

      出自-2013年6月閱讀原文

      As Santiago de la Mora, head of Google Books for Europe, puts it: "By making it possible to search the millions of books that exist today, we hope?to expand the frontiers of human knowledge.

      出自-2011年12月閱讀原文

      "A comparison point is in the 1990s battles over encryption," said Kurt Opsahl, general counsel of the Electronic Frontier Foundation, a privacy watchdog group.

      2017年12月六級(jí)真題(第三套)閱讀 Section B

      There's a new frontier in 3D printing that's beginning to come into focus: food.

      2018年高考英語(yǔ)天津卷 閱讀理解 閱讀C 原文