ethenyl的音標為["i:θen?l]，基本翻譯是乙基基團，速記技巧可以結合其組成成分進行記憶，如“乙”可以記作“一乙”。

Ethenyl是一個化學術語，表示乙烯基，是乙烯（ethene）的一個碳原子被加上了-C=鍵（carbonyl group）形成的。它的英文詞源可以追溯到拉丁語詞源“ether”和“carbon”的組合，表示碳和氫的化合物。

變化形式：動詞形式“ethenate”表示與乙烯基相關的反應或過程。形容詞形式“ethenic”表示與乙烯基相關的性質或特征。

相關單詞：

1. Ethylene (n.)：乙烯，一種有機化合物，常見于植物和天然氣中。

2. Ethanoid (adj.)：具有乙烯基性質的。

3. Ethenolysis (n.)：乙烯解聚或裂解的過程。

4. Ethenylation (n.)：乙烯基化的過程，通常用于有機合成。

5. Ethenylation (v.)：使…乙烯基化。

6. Ethenylic (adj.)：乙烯基相關的。

7. Ethynylation (n.)：炔基化的過程，與乙烯基化類似但含有炔鍵。

8. Ethenylic Acid (n.)：乙烯基酸，一種有機酸。

9. Ethenyl alcohol (n.)：乙烯醇，一種有機化合物，常見于天然產物中。

10. Ethenyl ether (n.)：乙烯醚，一種有機化合物，常見于醚類化合物中，具有乙烯基的性質。

常用短語：

1. be made of

例句： This material is made of plastic.

2. be made from

例句： Fruit juice is made from fruit.

3. be made into

例句： This soup can be made into a sandwich.

4. make a decision

例句： We need to make a decision about our future.

5. make progress

例句： We are making progress in our studies.

6. make mistakes

例句： I make mistakes all the time when I am learning a new skill.

7. make friends

例句： I like to make friends with people who share my interests.

英文小作文：

Making Friends with Different People

I believe that making friends with different people is an important part of life. It helps us to learn about different cultures and ways of thinking, and it can also bring us happiness and joy.

When I meet new people, I try to be friendly and open. I like to ask them about their interests and hobbies, and I try to show interest in what they have to say. I also try to be understanding and patient when they make mistakes or are unsure about something.

In return, I have found that people are usually friendly and open to me too. They often share their experiences and knowledge with me, and we become closer friends. I believe that this is the best way to make new friends, and it is also a great way to learn and grow as a person.