Good morning/afternoon. I am honored to stand here today to present my thesis titled "[Your Thesis Title]." First and foremost, I would like to express my sincere gratitude to my supervisor, Professor [Supervisor's Name], for their invaluable guidance and continuous support throughout my research process. My thanks also go to all the teachers and experts present for taking the time to participate in this defense.

The focus of my thesis is [briefly state the core topic, e.g., "an exploration of..." or "a study on..."]. The research aims to address [mention the key issue or objective]. In the following presentation, I will briefly outline the structure of my thesis: starting with the research background and motivation, followed by the literature review, methodology, data analysis, and finally the main findings and conclusions.

I have endeavored to ensure the rigor and depth of this study, but I acknowledge that there may still be limitations. I sincerely welcome any questions, critiques, and suggestions from all of you, which will greatly help me improve my work.

Thank you once again for your attention. Now, I will proceed with my presentation.