留学生在演讲英语作文时，可以遵循以下步骤和技巧：

自我介绍

开始时，用一句简单的问候语开始你的演讲，例如 "Good morning, professors and fellow students."

介绍你的基本信息，包括姓名、年龄、国籍、教育背景等。

主题引入

明确你的演讲主题，确保听众能理解你将要讨论的内容。

可以通过提出问题、分享个人经历或引用名言来吸引听众的注意。

主体内容

阐述你的观点或经历，确保内容清晰、有条理。

使用例子、数据或故事来支持你的观点。

保持语言简洁明了，避免使用过于复杂的词汇或句子结构。

结尾总结

总结你的主要观点，并给出一个明确的结论。

可以提出一个行动号召或对听众的感谢。

演讲技巧

练习你的语速和语调，确保听起来自然流畅。

注意眼神交流和肢体语言，与听众建立联系。

保持自信，即使你感到紧张。

以下是一个简单的演讲模板，你可以根据自己的情况进行调整：

```

Good morning, professors and fellow students. My name is [Your Name], and I am a student from [Your University]. Today, I am here to talk about [Your Topic]

When I first arrived in [Country Name], I was overwhelmed by the new culture and language. However, I quickly realized that language is not just about grammar and vocabulary； it's also about communication and understanding.

Through my experiences, I have learned that [Key Point 1]

One of the most important things I have learned is the importance of perseverance. Learning a new language takes time and effort, but with dedication and practice, I have been able to overcome many challenges.

In conclusion, [Key Point 2]

Thank you for listening to my speech. I look forward to your questions and feedback.

```

记得在实际演讲之前进行充分的准备和练习，这样可以帮助你更加自信地进行演讲。