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
英英釋意
- 1. a wilderness at the edge of a settled area of a country;
- "the individualism of the frontier in Andrew Jackson's day"
- 2. an international boundary or the area (often fortified) immediately inside the boundary
- 3. an undeveloped field of study; a topic inviting research and development;
- "he worked at the frontier of brain science"