frontier
英 ['fr?nt??; fr?n't??]
美[fr?n't?r]
- n. 前沿；邊界；國境
- 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年高考英語天津卷 閱讀理解 閱讀C 原文