v.标出…的界线,给…划界
demarcate的过去分词和过去式

原形：demarcate第三人称单数：demarcates过去式：demarcated过去分词：demarcated现在分词：demarcating

The fence demarcates the boundary between our property and the neighbor's.
这道栅栏标示了我们房产和邻居家之间的边界。
It is important to clearly demarcate the roles and responsibilities within a team.
在团队内部明确界定角色和责任是非常重要的。
The river serves as a natural demarcation line between the two countries.
这条河流作为两国之间的自然分界线。
The company policy clearly demarcates the protocol for handling customer complaints.
公司政策明确规定了处理客户投诉的程序。
In the play, lighting was used to demarcate the transition from reality to fantasy.
在剧中，灯光被用来标示现实与幻想之间的转换。
The treaty demarcated the new borders after the war.
条约规定了战后的新的边界。
Please demarcate the areas that need special cleaning attention on the map.
请在地图上标出需要特别清洁注意的区域。
The study aimed to demarcate the different stages of language acquisition in children.
该研究旨在划分儿童语言习得的不同阶段。
With the new law, they hope to demarcate more protected marine areas.
通过新法律，他们希望划出更多的海洋保护区。
The use of color-coding helps to demarcate different sections of the report for easy reference.
使用颜色编码有助于区分报告的不同部分，以便于参考。