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词组 border
释义 border
The border between two countries is the dividing line between them.
They crossed the border into Mexico.
...the German-Polish border.


◊ 'frontier'

You refer to a border as a frontier when it is guarded and separates countries which have different political systems or are in dispute about something.
The distance to the frontier is no more than 15 kilometres.
...India's frontier problems.

You talk about one country's border or frontier with another.
...the steel mesh and barbed wire fence that marks the border with mainland China.
Spain reopened its frontier with Gibraltar.


◊ 'boundary'

The boundary of an area of land is its outer edge. You can talk about the boundary of a region or local administrative area.
You have to stay within your county boundary.
...the boundary of the Snowdonia National Park.


◊ WARNING

You do not talk about the 'boundary' of a country. Instead you talk about its borders.
...the borders of Turkey.
Meanwhile, along Afghanistan's borders, matters are no less confused.
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更新时间：2025/6/6 10:54:58