entrain的音標為[?n"tre?n]，基本翻譯為“火車（train的現在分詞）”，速記技巧為“en-train”（使進入火車）。

Entrain這個詞來自法語，意思是“進入，適應”。它的詞源可以追溯到拉丁語的“entrare”，意為“進入”。Entrain的變化形式主要有復數形式entrains和過去式和過去分詞形式entrainé。

相關單詞：

1. train：這個詞在英語中有很多意思，包括“火車”、“訓練”、“陪伴”等。它的詞源可以追溯到中世紀英語，最初是指“長條形的東西”，后來引申為“火車”和“陪伴”。

2. entrenched：這個詞的意思是“固定的，不可動搖的”。它的詞源和entrain一樣，也可以追溯到法語，但它的意思是“陷入泥土中的”，后來引申為“固定的，不可動搖的”。這個詞現在通常用于描述某種制度或觀念已經深深扎根，難以改變。

3. trainee：這個詞的意思是“受訓者，實習生”。它是由train派生出來的，用來指在訓練中學習的人。

4. enthusiasm：這個詞的意思是“熱情，熱心”。它的詞源和entrain一樣，但在這里的意思是“進入”，這個詞后來引申為對某事的熱情和熱心。

5. entrapment：這個詞的意思是“陷阱，圈套”。它的詞源可以追溯到拉丁語的“entrapping”，意為“進入陷阱”，后來引申為“陷阱，圈套”。這個詞通常用來描述某人陷入某種不利的情況或局面。

6. entrust：這個詞的意思是“委托，托付”。它的詞源可以追溯到法語entrain的動詞形式entra?ner（帶領），這個詞后來引申為委托或托付。

7. entrance：這個詞的意思是“入口”。它的詞源可以追溯到拉丁語的“entrance”，意為“進入”，這個詞現在通常用來指進入某個地方或場合的入口。

8. entice：這個詞的意思是“誘惑，引誘”。它的詞源可以追溯到法語entrain的動詞形式entra?ner（帶領），這個詞后來引申為誘惑或引誘。

9. entail：這個詞的意思是“使……必然發生”。它的詞源可以追溯到拉丁語的“entailing”，意為“使……附屬于”，這個詞后來引申為使某事必然發生。

10. entropic：這個詞的意思是“隨機的，無序的”。它的詞源可以追溯到希臘語的“entropy”（熵），這個詞用來描述系統中的混亂程度。

常用短語：

1. to train for

2. to train sb in sth

3. to train sb on sth

4. to train sb up

5. to train sb in the job

6. to be trained

7. to be trained on sth

例句：

1. We are training for a marathon next month.

2. The teacher is training the students in how to solve problems.

3. The company has been training us on safety procedures.

4. The new employee has been training on the job for a week now.

5. She was trained as a teacher and has been teaching for years.

6. I need to be trained on how to use this new software.

7. We need to be trained on how to handle emergencies effectively.

英文小作文：

Training is essential for personal development and success in any field. It helps us learn new skills, improve our knowledge, and develop our abilities. Whether it"s formal training through classes or informal training through experience, it"s important to embrace opportunities for growth and development.

In my opinion, training should be a continuous process, not just a one-time event. We should always be looking for opportunities to improve ourselves and learn new things, whether it"s through reading books, taking courses, or participating in workshops and seminars.

Moreover, we should also be willing to train others, especially those who are new to a field or task. By teaching others, we not only help them grow but also demonstrate our commitment to the team and organization. Ultimately, training is essential for personal and professional success, and it should be a continuous effort throughout our lives.