bounder

bounder 的音标是[ˈbaʊndə(r)]，基本翻译是“自负的人；大人物；专横的人”，速记技巧是“褒贬意在自知者”。

"Bounder"这个词的英文词源可以追溯到古英语，意为"boundary"或"border"，表示边界或界限的人。它的变化形式包括其过去式"bound"和过去分词"bounded"，现在分词"bounding"，以及形容词形式"boundary-bound"。

相关单词：

1. Boundary：边界，界限，这个词源于bounder，表示物体或区域的边缘。

2. Border：边境，边界，这个词在英语中也很常见，表示国界或地区的边缘。

3. Boundary-crossing：越过边界，这个词表示超越边界的行为或能力。

4. Boundary-setter：设定边界的人或物，这个词表示设定界限的人或物。

5. Boundary-conscious：有边界意识的人，这个词表示对个人或团体边界敏感的人。

"Bounder"这个词在英语中通常用于形容那些不负责任、不尊重他人、行为不端的人。这个词的贬义含义反映了它在历史上的使用情况，但也可以用作中性或褒义的描述，例如形容一个人在某个领域有出色的边界感或边界设定能力。

常用短语：

1. boundary condition

2. boundary layer

3. boundary value problem

4. boundless

5. beyond the boundary

6. on the boundary

7. boundary element method

例句：

1. The scientist must take into account the boundary condition of the problem.

2. The boundary layer of the airplane affects its performance greatly.

3. The boundary value problem of mathematics is often difficult to solve.

4. We should try our best to break through the boundless wall of our own limitations.

5. After crossing the boundary, we entered a new world.

6. We need to solve the equation on the boundary carefully.

7. The boundary element method is a powerful tool in numerical analysis.

英文小作文：

Title: Boundaries and Our Lives

Life is full of boundaries, whether they be physical, emotional, or intellectual. Boundaries help us define our limits, set goals, and push ourselves to grow. Without boundaries, we can become lost and confused, overwhelmed by the world around us.

On the one hand, boundaries can be challenging to establish and maintain, as they require us to be self-aware and assertive. But on the other hand, boundaries can bring us freedom and peace, allowing us to live our lives with purpose and meaning.

In my opinion, it is essential to have boundaries in our personal and professional lives. We need to set boundaries around our time, energy, and resources to ensure we are investing in what is truly important to us. At the same time, we need to be willing to push beyond our boundaries to explore new horizons and expand our horizons. Boundaries can be a catalyst for growth and development, if we approach them with the right mindset and attitude.