boundary line

boundary line 英 [ˈbaʊndər liːn] 美 [ˈbaʊndər lɪn]

基本翻译：分界线

速记技巧：boundary（分界）+ line（线）

例句：The boundary line between the two countries is marked by a line on a map. 两国之间的边界线在地图上用一条线标明。

Boundary line这个词的英文词源可以追溯到拉丁语“boundary”这个词，意为边界或者分界线。它的变化形式包括复数形式“boundaries”和过去式“boundary”等。

相关单词：

Boundary：边界，分界线，常用于描述地理上的界限，比如国界、河流、山脉等。

Outside boundary：越界，通常指越过边界，违反了规定或者协议。

Boundary stone：边界石，通常用于地理上的标记，表示边界的位置和范围。

Boundaries of the world：世界边界，指的是地球上所有国家的边界，也用来表示人类活动的范围和限制。

Boundaries of language：语言边界，指的是不同语言之间的分界线，也用来表示语言的使用范围和变化。

以上这些单词都与boundary line这个词有密切的联系，它们都反映了人类对于地理、政治、语言等方面的边界和分界线的理解和探索。这些单词的出现和发展也反映了人类对于未知领域的探索和认知的不断深化。

Boundary line

常用短语：

1. boundary condition

2. boundary layer

3. boundary value problem

4. inner boundary

5. outer boundary

6. frontier line

7. demarcation line

例句：

1. The boundary line between two countries is marked by a tall iron fence.

2. The boundary layer of the atmosphere is the region where airflow changes most rapidly with altitude.

3. The outer boundary of the city is marked by a red line on the map.

4. The demarcation line between the two sides of the conflict is very unclear.

5. We need to find a new frontier line for our company"s development.

6. The two countries have agreed to draw a new demarcation line to resolve their border dispute.

7. The boundary condition for this problem is that the object must be in contact with the ground.

英文小作文：

The Boundary Line - A Symbol of Unity and Difference

The boundary line is a symbol of both unity and difference, representing the border between two things or people. It can be a physical line, such as the edge of a country, or it can be a symbolic line, such as the divide between two cultures or beliefs.

On one hand, the boundary line represents the distinction between two separate entities, highlighting their differences and highlighting the boundaries that separate them. It can serve as a reminder of the challenges and difficulties that arise when two groups or countries are separated by a physical or cultural barrier.

On the other hand, the boundary line can also symbolize unity and cooperation, as it brings people together to share resources, ideas, and experiences. It can serve as a catalyst for cross-cultural understanding and cooperation, fostering a sense of community and solidarity among those on either side of the line.

In today"s interconnected world, the boundary line has become even more important, as borders are increasingly blurred and cross-border cooperation becomes increasingly necessary. Understanding and respecting the boundary line can help us navigate these complex and challenging times, fostering unity and cooperation among people from different backgrounds and cultures.