留学生在轮流发言时，可以遵循以下结构和要点：

开场问候

使用礼貌的语言向听众问好，例如：“Good morning/afternoon/evening, everyone.”

自我介绍

简要介绍自己的背景，包括国籍、学校、专业等，例如：“I am [Your Name], a student from [Your Country] studying [Your Major] at [Your University].”

感谢致辞

对主办方、教师、同学表示感谢，例如：“Thank you for the opportunity to speak today. I would also like to thank my teachers and classmates for their support.”

表达学习目的和期待

说明选择留学的原因，包括学术兴趣、文化交流、职业发展等，例如：“I chose to study abroad primarily for academic reasons, but also to experience different cultures and to enhance my career prospects.”

分享个人经历或感受

可以分享留学生活中的体验、挑战和收获，例如：“During my studies abroad, I have faced many challenges, but they have also been incredibly rewarding. I have gained valuable experiences and skills that I believe will benefit me in the future.”

鼓励和建议

鼓励新留学生适应新环境，努力学习，多交流，并给出提高语言能力和专业技能的建议，例如：“I would like to encourage new students to be open to new experiences, to work hard, and to engage with their peers and professors. I also suggest that they take advantage of the resources available to them to improve their language and professional skills.”

自信表达

在发言时保持自信，避免使用过于委婉的语气，例如：“I am confident that my experiences and perspectives will contribute to our discussion.”

有效沟通

在集体讨论中，学会承上启下，总结他人的观点，并明确表达自己的观点与前面人的逻辑关系，例如：“As I was saying earlier, adapting to a new environment was challenging, but it has also been a rewarding experience.”

通过以上结构和要点的遵循，留学生可以更有效地进行轮流发言，不仅能够清晰地传达自己的信息，还能展现出自信和积极的态度。