natural boundary

Any nonartificial thing (such as a river or ocean) that forms a boundary of a nation, a political subdivision, or a piece of property.

— Also termed natural object. [Cases: Boundaries 4. C.J.S. Boundaries §§ 5–6.]

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词条贡献者

译员Dennis，毕业于英国顶尖的高级翻译学院，专注翻译各种与高管退休金和员工福利有关的法律文件。