Phrase
boundary line
边界线；疆界线
a line that marks the edge or limit of an area, especially an official border
- 1.
a line that indicates a boundary
表示边界的线
表示边界的线；疆界线；边界线
In use
The boundary line between the two farms is marked by a row of old trees.
Please stay behind the boundary line while waiting for the train.
The referee checked whether the ball had crossed the boundary line.
boundary line between sth and sth
表示两者之间的分界线
The river forms the boundary line between the two countries.
这条河形成了两国之间的边界线。
draw/establish a boundary line
表示划定或确立边界线
They drew a boundary line to separate the properties.
他们画了一条边界线来分隔房地产。
cross the boundary line
表示越过边界线
It is illegal to cross the boundary line without permission.
未经许可越过边界线是非法的。
mark the boundary line with sth
表示用某物标记边界线
The boundary line is marked with white stones.
边界线用白色石头标记。
Common mistakes
The team established boundary line between the two countries.The team established a boundary line between the two countries.
boundary line 是可数名词短语，用作单数时必须加冠词 a 或 the。这里需要不定冠词 a 表示一条边界线。
The boundary line agreement was signed yesterday.The boundary-line agreement was signed yesterday.
当 boundary line 作为复合形容词修饰名词时，需要加连字符，写成 boundary-line，以表示它是一个整体修饰语。
Connections
Confusing words
- border
- 边境，边界 · boundary line 特指法律或正式文件中的明确分界线，而 border 更常用于指国家或地区之间的地理或政治边界。
Dictionary facts from ECDICT.