| 摘要 | 第1-6页 |
| Abstract | 第6-10页 |
| Chapter One: Introduction | 第10-14页 |
| ·Research Background | 第10-11页 |
| ·Research Questions and Purposes | 第11-12页 |
| ·Significance of the Research | 第12页 |
| ·Organization of the Thesis | 第12-14页 |
| Chapter Two: Literature Review | 第14-21页 |
| ·A General Understanding of Polysemy | 第14页 |
| ·The Previous Methods for Studying Polysemy | 第14-19页 |
| ·Saussare’s Theory of Sign and Polysemy | 第14-16页 |
| ·The Study of Polysemy from Diachronic Perspective | 第16-18页 |
| ·The Study of Polysemy from Synchronic Perspective | 第18-19页 |
| ·The Defects of Previous Studies | 第19页 |
| ·The Cognitive Approaches to Polysemy | 第19-21页 |
| Chapter Three: The Theoretical Framework | 第21-28页 |
| ·A Brief Introduction of Cognitive Linguistics and Polysemy | 第21-23页 |
| ·An Introduction of Cognitive Linguistics | 第21-22页 |
| ·A Cognitive Interpretation of Polysemy | 第22-23页 |
| ·Categorization and Prototype Theory in Cognitive Semantics | 第23-26页 |
| ·The Classical Theory of Categorization | 第23-24页 |
| ·The Prototype Theory of Categorization | 第24-26页 |
| ·Polysemy as a Semantic Category | 第26页 |
| ·Metonymy and Metaphor in Cognitive Linguistics | 第26-28页 |
| ·The Motivation of Metaphor to Polysemy | 第27页 |
| ·The Motivation of Metonymy to Polysemy | 第27-28页 |
| Chapter Four: Research Methodology | 第28-29页 |
| ·Case Study Research: A Qualitative Approach | 第28页 |
| ·A Contrastive Analysis | 第28-29页 |
| Chapter Five: A Case Study of English Word ‘Head’ and Chinese Character ‘Tou’ | 第29-41页 |
| ·An Analysis of English Word ‘Head’ | 第29-33页 |
| ·The Lexical Entries of English Word ‘Head’ in Dictionaries | 第29-31页 |
| ·A General Analysis of the Ways of Meaning Extension about English ‘Head’ | 第31-33页 |
| ·An Analysis of Chinese Character ‘Tou’ | 第33-37页 |
| ·The Lexical Entries of Chinese Character ‘Tou’ in Dictionaries | 第33-35页 |
| ·A General Analysis of the Ways of Meaning Extension about Chinese ‘Tou’ | 第35-37页 |
| ·An Analysis of Similarities and Differences of Meaning Extension of English ‘Head’ and Chinese ‘Tou’ | 第37-41页 |
| ·The Conceptual Mapping Similarities in English and Chinese | 第37-38页 |
| ·The Conceptual Mappings Peculiar to English ‘Head’ | 第38-39页 |
| ·The Conceptual Mappings Peculiar to Chinese ‘Tou’ | 第39页 |
| ·The Reasons for Similarities and Differences of English ‘Head’ and Chinese ‘Tou’30 | 第39-41页 |
| Chapter Six: Conclusion | 第41-43页 |
| ·The Main Findings of the Study | 第41-42页 |
| ·The Limitations of the Study | 第42-43页 |
| Bibliography | 第43-46页 |
| Acknowledgement | 第46-47页 |
| 作者简介 | 第47页 |
