boundary
/ˈbaʊndəri/
the line or plane indicating the limit or extent of something
中文释义：边界；分界线
The fence marks the boundary between the two properties.
这道篱笆标出了两块地产之间的分界线。
Scientists are pushing the boundaries of human knowledge.
科学家们正在拓展人类知识的边界。
/ˈbaʊndəri/
the line or plane indicating the limit or extent of something
中文释义：边界；分界线
The fence marks the boundary between the two properties.
这道篱笆标出了两块地产之间的分界线。
Scientists are pushing the boundaries of human knowledge.
科学家们正在拓展人类知识的边界。