专业的吃货一枚
边界 boundary, border 界 world, boundary, circles, border, bound, kingdom界限 limit, boundary, circumscription, end边 side, edge, rim, border, margin, boundary境界 realm, state, boundary, border, ambit境 territory, border, boundary, condition, situation, area疆界 border, boundary, frontier, limit, abutment, butting线 line, wire, thread, route, string, filament边际 boundary, limit, border, bound, bourn, bourne疆 border, boundary, frontier, butting, abutment, confine垓 boundary际 border, boundary, edge, interval
lilyspirit00
边界地区的英文是frontier。frontier-未开拓领域的边界线，示意未开发的疆土，即边界地区。一般情况下，边境地区亦多数设有出入限制，甚至被列为禁区，如香港边境禁区。亦有部份戒备较低的边境，如美加边境就处在长期不驻防的开放状态，甚至容许一定程度的跨越美国、加拿大两国边界。
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