| 例句 |
frontieradjective located at or near a bordera frontier town with a reputation for vice and lawlessness borderline, marginal outermost, outmostexterior, external, outer, outside, outward interior inner, inside, internal, inwardinmost, innermostcentral, mid, middle a region along the dividing line between two countriesthe Apaches were once feared on both sides of the U.S.-Mexico frontier border, borderland, march no-man's-land a rural region that forms the edge of the settled or developed part of a countryAlaska has been called America's last frontier backcountry, backland(s), backwater, backwoods, bush, hinterland, outback, outlands, up-country boonies(slang), boondocks, country, countryside, sticks (the) back of beyond in the 15th century |