delineator的音標是["del?ne?t?(r)]，其基本翻譯為“描繪者；劃界者；描述者”。速記技巧可以考慮使用詞根記憶法，de-表示“向下”，line-表示“線”，那么delineate的意思就是“畫線”，表示“描述”之意。

delineator的英文詞源為：拉丁語中的“de lineare”，意為“描繪的”。

變化形式：過去式為“delineated”，過去分詞為“delineated”，現在分詞為“delineating”，形容詞為“delineative”。

相關單詞：

1. delineation：描繪，描述，刻畫。例如：“他的文章對人物進行了生動細致的描繪。”

2. delineate：描繪，描述。例如：“他試圖用語言來勾畫出這個問題的輪廓。”

3. delineator：描繪者，描述者。例如：“這位畫家是一位出色的描繪者，他能夠生動地展現出人物和場景。”

4. demarcation：劃分，界定。例如：“在法律上，這個區域被明確地進行了界定。”

5. delineable：可描繪的，可描述的。例如：“這個物體可以被清晰地描繪出來。”

這些單詞都與“delineator”有著密切的聯系，表示描繪、描述、劃分等含義。這些單詞在英語中廣泛使用，表達了各種不同的意思。

常用短語：

1. delineator of boundaries

2. delineate the contours

3. delineation of features

4. delineator of art

5. delineate the differences

6. delineate the differences between

7. delineate the boundaries

例句：

1. The delineator of boundaries between the two countries has been working hard to ensure that the borders are clear and unambiguous.

2. The artist used a delineator to carefully outline the contours of each figure in the painting.

3. The delineation of features in this map is very clear, making it easy to understand.

4. The delineator of art is a highly skilled craftsman who creates beautiful and unique works of art.

5. We need to delineate the differences between our goals and those of our competitors to stay ahead in the market.

6. The delineation of boundaries between the two countries is a complex issue that requires careful consideration.

7. The delineate the boundaries of our responsibilities and those of others is essential for effective cooperation.

英文小作文：

Title: Boundaries and Delineation

Boundaries are essential for defining our world and separating one thing from another. Whether it"s the borders between countries, communities, or even individuals, boundaries help us to understand our place in the world and navigate it effectively. However, boundaries can also be difficult to define and delineate, especially when dealing with complex issues such as those involving politics, economics, or culture.

The delineation of boundaries is crucial for effective communication and cooperation between individuals, groups, or nations. It helps us to understand where we stand and where we need to work together to achieve our goals. At the same time, it can also help us to identify and respect the differences between us, which can sometimes lead to greater understanding and unity.

In today"s interconnected world, it is even more important to have a clear understanding of our boundaries and how to delineate them effectively. This requires a combination of knowledge, skill, and open-mindedness, as well as a willingness to work together with others to achieve common goals. By doing so, we can create a more peaceful, prosperous, and inclusive world for ourselves and others.