frontier
英 ['frʌntɪə; frʌn'tɪə]
美[frʌn'tɪr]
- n. 前沿；边界；国境
- adj. 边界的；开拓的
- n. (Frontier)人名；(法)弗龙捷
考试真题
- 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月阅读原文
- 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月阅读原文
- "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月六级真题（第三套）阅读 Section B
- There's a new frontier in 3D printing that's beginning to come into focus: food.
2018年高考英语天津卷 阅读理解 阅读C 原文