busy的音標是[?b?zi]，基本翻譯是“忙的，繁忙的”，速記技巧是“be + vi”。

busy的英文詞源：

busy來源于中古英語，其詞根為“busy-”詞根，意為“busy”的。這個詞根來源于古英語中的“be-”前綴，加上“-wi”后綴，表示“活動”或“忙碌”。

busy的變化形式：

busy作為形容詞和動詞形式都可以變化，其作為形容詞時，可以變為比較級busier和最高級most busy。作為動詞時，可以變為現在分詞busy或過去式was/are busy或were busy。

相關單詞：

1. unbusy：意為“使不忙”，其構詞形式為前綴un-加上busy。

2. leisurely：意為“悠閑的”，其構詞形式為leisure（休閑）+ly→悠閑的。

3. busily：意為“忙于地”，其構詞形式為busy（忙）+ly→忙于地。

4. busyness：意為“繁忙；商業”，其構詞形式為busy（忙）+ness（名詞后綴）→繁忙。

5. busybody：意為“愛管閑事的人”，其構詞形式為busy（忙）+body（身體）→愛管閑事的人。

6. busynessn. 忙碌；事務；商業活動

7. busycotton 一種用途很廣的紡織纖維

8. busycottonbale 一種用粗梳棉條織成的厚實的棉織物

9. busycottonwaste 一種棉織物，用作粗梳棉條織物的原料

10. busycottonyarn 一種棉紗線，用作粗梳棉條織物的原料

以上這些單詞都與busy有著密切的聯系，并且都反映了busy作為形容詞和動詞的變化形式以及其相關的含義和用法。

常用短語：

1. busy as a bee

2. be busy doing sth

3. be busy with sth

4. be very busy

5. be very rushed

6. be tied up

7. be tied up with

例句：

1. I am busy as a bee preparing for my exam.

2. They were busy with their work in the field all day long.

3. She is always busy with her studies.

4. We are very busy with our work in the office.

5. I am very busy and don"t have time for social activities.

6. I am tied up with my work and can"t attend your party.

7. I am tied up with my family and can"t go out for a walk.

英文小作文：

I am always busy with my studies and extracurricular activities, but I enjoy it because it makes me feel fulfilled and excited about life. I am busy, but I am also happy because I know that this is what I want to do and what I am passionate about. When I am busy, I always try to find time to relax and unwind, whether it is by listening to music or going for a walk in the park. I believe that being busy is not only a positive thing, but also a way to learn and grow as a person.