留学回导师邮件的撰写应当体现出尊重、礼貌和清晰性。以下是一些关键步骤和要点，帮助你撰写一封得体的留学回导师邮件：
邮件开头
使用尊称，如“Dear Professor Last-name”或“Dear Dr. Last-name”，如果不确定老师的婚姻状况，可以使用“Dear Mr./Ms. Last-name”。
简短问候，表达感谢和尊重。
自我介绍
简要介绍自己，包括姓名、研究生阶段和当前的研究方向。
邮件正文
感谢：首先表达对导师来信的感谢，可以提及导师给予的机会和帮助。
回答：针对导师提出的问题或要求，逐一回答，保持分段清晰，便于阅读。
表达合作愿望：结尾部分再次感谢导师，并表达期待未来合作的愿望。
邮件结尾
签名，包括自己的姓名和日期，以便导师查看时间。
```
Dear Professor Last-name,
Thank you very much for your kind email and for the opportunity to study under your guidance. I am writing to confirm my acceptance into the [program/department] and to express my enthusiasm for joining your research group.
I am [your name], a recent graduate of [your university] with a strong background in [your field of study]. During my studies, I have developed a keen interest in [specific area of interest] and have been actively involved in [relevant projects or research]. I am confident that my skills and experiences will contribute significantly to your ongoing research efforts.
I am looking forward to the possibility of working with you and am eager to contribute to the exciting projects ahead. Please let me know if there are any immediate steps I should take to get started, or if there are any materials or information I can provide to you in the meantime.
Thank you once again for your support and I look forward to hearing from you soon.
Best regards,
[Your Name]
[Your Date]
```
通过遵循这些步骤和要点，你可以撰写出一封专业、礼貌且有效的留学回导师邮件。