| Abstract | 第1-7页 |
| 摘要 | 第7-10页 |
| Chapter 1 Introduction | 第10-14页 |
| ·An Overview | 第10-11页 |
| ·The Previous Studies of Weather Terms | 第11页 |
| ·The Objective and the Significance of This Thesis | 第11-12页 |
| ·The Organization of This Thesis | 第12-14页 |
| Chapter 2 Metaphor | 第14-23页 |
| ·A General Understanding of Metaphor | 第14-15页 |
| ·Traditional Views of Metaphor | 第15-18页 |
| ·The Comparison Theory | 第16页 |
| ·The Substitution Theory | 第16-17页 |
| ·The Interaction Theory | 第17-18页 |
| ·Summary | 第18页 |
| ·Conceptual Metaphor | 第18-22页 |
| ·The Definition of Conceptual Metaphor | 第18-19页 |
| ·The Types of Conceptual Metaphor | 第19-21页 |
| ·The Experiential Basis of Conceptual Metaphor | 第21-22页 |
| ·Summary | 第22-23页 |
| Chapter 3 The Extension of Lexical Meaning | 第23-28页 |
| ·A Brief Introduction to Lexical Meaning | 第23-24页 |
| ·The Extension of Lexical Meaning | 第24-27页 |
| ·The Definition of Lexical Meaning Extension | 第24页 |
| ·Different Accounts of the Causes of Meaning Extension | 第24-25页 |
| ·The Result of Lexical Meaning Extension –Polysemy | 第25-26页 |
| ·The Bridge between Extensions of Lexical Meaning and Metaphor–Polysemy | 第26-27页 |
| ·Summary | 第27-28页 |
| Chapter 4 The Influence of Metaphor on the Extension of Lexical Meaning | 第28-39页 |
| ·Cognitive Mechanism of Lexical Meaning Extension | 第28-33页 |
| ·The Effects of Categorization and Prototype Theory on Lexical Meaning | 第28-30页 |
| ·A general Understanding of Categorization and Prototype Theory | 第28-29页 |
| ·Prototypical Category and the Extension of Lexical Meaning | 第29-30页 |
| ·Image Schema and the Extension of Lexical Meaning | 第30-33页 |
| ·A general Understanding of Image Schema | 第30-31页 |
| ·Image Schema on the Extension of Lexical Meaning –polysemy | 第31-33页 |
| ·Summary | 第33页 |
| ·The Metaphorical Extension of Lexical Meaning | 第33-38页 |
| ·A Brief Introduction of Metaphorical Extension | 第33页 |
| ·Domain Mapping in the Metaphorical Extension of Lexical Meaning | 第33-35页 |
| ·The Working Mechanism of Metaphorical Extension of Lexical Meaning | 第35-38页 |
| ·Summary | 第38-39页 |
| Chapter 5 The Extension of Lexical Meanings of Weather Terms | 第39-51页 |
| ·Definitions of Some Weather Terms | 第39-40页 |
| ·Protomeanings of Weather Terms | 第40-41页 |
| ·Image Schema of Weather Terms | 第41-43页 |
| ·The Models of Metaphorical Meaning Extension of Weather terms | 第43-47页 |
| ·Conversion in the Metaphorical Extension of Lexical Meaning | 第47-50页 |
| ·Summary | 第50-51页 |
| Chapter 6 Conclusion | 第51-53页 |
| Bibliography | 第53-56页 |
| Acknowledgement | 第56页 |
