These nouns all denote a line or an area separating one piece of territory from another. A.

所有这些名词都指分隔一地域与另一地域的线或地区。

youdao

These nouns all denote a line or an area separating one piece of territory from another. A.

所有这些名词都指分隔一地域与另一地域的线或地区。

youdao