英语作文留学申请书的写作通常包括以下几个部分：
开头
礼貌地称呼收信人，例如“Dear Professor [姓名]”或“Dear [学校/机构名称]”。
简要介绍自己，包括姓名、学校、年级和申请的专业。
背景介绍
说明自己申请留学的背景和原因，例如学术成绩、研究兴趣、职业规划等。
可以提及自己在学术或课外活动中的成就，以展示自己的综合素质。
留学计划
详细描述自己计划留学的国家、学校和专业。
说明选择该学校和专业的原因，以及期望在该校的学习和生活环境。
学习计划和目标
阐述自己在留学期间的学习计划和目标，包括要修读的课程、研究方向等。
表达自己希望通过留学提升专业能力和国际视野的愿望。
对未来的展望
描述留学对自己未来职业和学术发展的影响。
表达自己对未来充满期待，并愿意为实现目标付出努力的决心。
结尾
表达对收信人的感谢，例如感谢他们考虑自己的申请。
礼貌地结束信件，例如“Sincerely”或“Best regards”。
附件
如果需要，可以附上推荐信、成绩单、语言成绩证明等相关材料。
```
Dear [Professor's Name],
I am writing to express my keen interest in pursuing higher education abroad and to seek your valuable guidance and support. My name is [Your Name], a student from the [Your Department] at [Your University]. I am currently in my [Year of Study] and have been actively engaged in various academic and extracurricular activities, which have honed my skills and broadened my horizons.
My primary motivation for pursuing an international education is to gain access to advanced research facilities and接触到世界一流的学者，从而进一步提升 my academic and professional skills. I am particularly interested in studying [Specific Field] at [University Name], as it is renowned for its strong academic programs and vibrant research community. I am confident that this experience will provide me with invaluable insights and opportunities for growth.
During my studies abroad, I plan to enroll in courses that align with my research interests and professional goals. I am committed to maintaining a high level of academic performance and actively engaging in research activities. Furthermore, I intend to participate in extracurricular activities related to my field of study to broaden my network and enhance my intercultural communication skills.
I am confident that this educational journey will prepare me for a successful career in [Your Field] and contribute positively to both my home country and the global community. I am eager to embark on this exciting new chapter in my academic and professional life and am grateful for your consideration and support.
Thank you for your time and consideration. I look forward to hearing from you soon.
Sincerely,
[Your Name]
[Your Contact Information]
```
请根据个人情况和申请的具体要求，调整和完善上述内容。确保申请书的语言清晰、准确，内容真实、完整。