demonstrator的音標是[?dem?n?stre?t?(r)]，基本翻譯是演示者，速記技巧可以考慮將其發音劃分為幾個部分，用符號或字母來表示，例如：de-mo-nu-ta-or。

英文詞源：

Demonstrator：源于拉丁語“demonstrare”，意為“展示”。

變化形式：

名詞形式：demonstrator，復數形式為demonstrators。

相關單詞：

1. demonstrative pronoun：指示代詞，如this，that等，用來指代事物。

2. demonstration：示范，演示，如物理實驗或數學證明。

3. demonstrative：指示的，指向的，用來指明或強調某物或某人。

4. expound：詳述，闡明，使理解。

5. exposition：解釋，闡述，說明。

6. illustrate：說明，舉例，插圖。

7. expositor：解釋者，說明者。

8. expounder：詳述者，闡明者。

9. deductive reasoning：演繹推理。

10. inductive reasoning：歸納推理。

這些單詞都與“demonstrator”這個單詞有密切關系，因為它們都涉及到展示、解釋、說明或推理的過程。這些過程都是通過展示和解釋來使人們理解或推理出某種知識或概念的過程。這些單詞的使用也反映了英語語言中對于清晰、準確和易于理解的語言表達的追求。

常用短語：

1. demonstrator of sth. (某事物的)示范者，演示者

2. demonstrate sth. to sb. 向某人展示某事物

3. demonstrate one"s skills 展示某人的技能

4. demonstrate one"s knowledge 展示某人的知識

5. demonstrate one"s ability 展示某人的能力

6. demonstrate one"s expertise 展示某人的專業知識

7. demonstrate one"s proficiency 展示某人的熟練程度

雙語例句：

1. The demonstrator of the car showed us how to operate the steering wheel and accelerator.

汽車示范員向我們展示了如何操作方向盤和加速器。

2. She demonstrated her knowledge of cooking by preparing a delicious meal for us.

她通過為我們準備一頓美味的飯菜展示了她的烹飪知識。

3. The teacher demonstrated his skills in teaching by explaining how to solve a difficult problem.

老師通過解釋如何解決一個難題展示了他的教學技巧。

4. The demonstrator of the new technology demonstrated its capabilities to us.

新技術的示范員向我們展示了它的功能。

5. The demonstrator of the new product demonstrated its features and benefits to us.

新產品示范員向我們展示了它的特點和益處。

6. He demonstrated his proficiency in foreign languages by speaking fluently in several languages.

他通過流利地說幾種語言展示了他的外語熟練程度。

7. The demonstrator of the new technology was able to show how it could improve productivity and reduce costs.

新技術示范員能夠展示它如何提高生產率和降低成本。

英文小作文：

Title: The Importance of Demonstrators in Education and Industry

Demonstrators play a crucial role in education and industry, providing valuable information and skills to others through practical demonstrations. Whether it"s a teacher demonstrating a new lesson, a product demonstrator explaining the features and benefits of a new product, or a chef preparing a delicious meal, demonstrators help us understand and appreciate the subject matter in a hands-on way.

In education, demonstrators help students gain a deeper understanding of subjects through practical exercises and experiments. They provide an opportunity for students to see concepts come to life and apply knowledge in real-world situations. Similarly, in industry, demonstrators are essential for training new employees and teaching them the skills necessary to perform their job duties effectively.

Moreover, demonstrators serve as role models, showing others how to approach tasks with enthusiasm and precision. They demonstrate the importance of hard work, perseverance, and dedication, which can inspire others to strive for excellence in their own fields.

In conclusion, demonstrators play an integral role in education and industry, providing valuable information and skills to others while serving as role models for hard work and dedication. We should appreciate the contributions they make and seek out opportunities to learn from their expertise.