两国之间的边界线是由联合国划定的。

The demarcation of the border between the two countries was done by the United Nations.

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The demarcation of the border between the two countries was done by the United Nations.

demarcation 是名词,来自动词 demarcate(划定界限)。这个词由前缀 de-(表示"完全、彻底")和词根 mark(标记)加上动词后缀 -ate 构成,字面意思是"做标记来划分"。demarcation 指"划定边界"或"分界线"的行为或结果。

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