by trade音標為["ba? ?tr?d] ，基本翻譯為“以職業；以貿易；以職業而論；以行業而論”。速記技巧可以嘗試使用諧音記憶法，將其轉化為漢語“比灘”，便于快速記憶和發音。

By trade這個詞的詞源可以追溯到古英語，它來自于by-這個詞綴，表示“旁邊，副的”，加上trade這個詞，表示“貿易，職業”。By trade的意思就是“從事某種職業的人”。

變化形式：By trade的形式在英語中是形容詞+名詞的形式，所以沒有變化形式。

相關單詞：

1. Merchant - 商人，這個詞來自于拉丁語中的“merchandius”，意思是“商品”。Merchant這個詞現在也用來指從事商業活動的人。

2. Tradesman - 商人，工匠。這個詞來自于中世紀英語中的“tradesman”，意思是“從事某種職業的人”。現在這個詞也用來指從事手工藝或商業活動的人。

3. Artisan - 工匠，這個詞來自于中世紀法語中的“artisan”，意思是“從事手工藝的人”。現在這個詞也用來指從事手工藝或藝術創作的人。

4. Craftsman - 工匠，這個詞來自于古英語中的“craft”和“man”，意思是“手工藝人”。現在這個詞也用來指從事手工藝或藝術創作的人。

5. Skilled - 熟練的，有技能的。這個詞來自于中世紀英語中的“skillful”，意思是“有技巧的”。現在這個詞也用來指具有專業知識和技能的人。

6. Labor - 勞動，這個詞來自于拉丁語中的“labor”，意思是“努力，勞動”。現在這個詞也用來指體力勞動或腦力勞動。

7. Trade - 貿易，商業。這個詞來自于古英語中的“traed”，意思是“交易”。現在這個詞也用來指商業活動或行業。

8. Employ - 雇傭，這個詞來自于中世紀英語中的“employ”，意思是“使用，利用”。現在這個詞也用來指雇傭員工或使用資源。

9. Industry - 勤奮，努力。這個詞來自于拉丁語中的“industria”，意思是“勤勞，努力”。現在這個詞也用來指工作勤奮或努力的人。

10. Skill - 技能，技巧。這個詞來自于中世紀英語中的“skill”，意思是“技巧”。現在這個詞也用來指具有特殊技能或技巧的人。

by trade短語：

1. by trade as a doctor

2. by trade as a mechanic

3. by trade as a teacher

4. by trade as a farmer

5. by trade as a lawyer

6. by trade as a salesperson

7. by trade as a chef

雙語例句：

1. He is by trade a farmer, but he also works as a part-time teacher.

2. She is by trade a seamstress, but she also works as a waitress.

3. By trade, he is a carpenter, but he also works as a volunteer firefighter.

4. He is by trade a mechanic, but he also repairs cars for extra money.

5. By trade, she is a teacher, but she also volunteers at the local soup kitchen.

6. He is by trade a doctor, but he also volunteers at the local hospital.

7. She is by trade a chef, but she also cooks for her family and friends.

英文小作文：

My Job by Trade

My job by trade is as a software engineer, but I also enjoy writing and coding for fun. I find that my job as a software engineer requires a lot of creativity and problem-solving skills, which I enjoy using to create new software and improve existing ones. In addition, I enjoy writing code because it allows me to express my ideas in a structured and organized way, which helps me to improve my communication skills and thinking skills. Although my job as a software engineer is challenging and requires a lot of work, I enjoy it because it allows me to use my skills and knowledge to help people and make a positive impact on society.