Definition
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边界
bianjie
边界是指两个区域或国家之间的分界线。
Boundary refers to the dividing line between two areas or countries.
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这个国家的边界非常清晰。
zhe ge guo jia de bian jie fei chang qing xi.
The boundary of this country is very clear.
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他们在讨论如何保护国家的边界。
ta men zai tao lun ru he bao hu guo jia de bian jie.
They are discussing how to protect the country's boundary.
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这条河是两个省的自然边界。
zhe tiao he shi liang ge sheng de zi ran bian jie.
This river is the natural boundary between the two provinces.