| Acknowledgements | 第1-5页 |
| 摘要 | 第5-6页 |
| Abstract | 第6-8页 |
| Contents | 第8-12页 |
| Abbreviations | 第12-14页 |
| A List of Tables and Figures | 第14-15页 |
| Chapter One Introduction | 第15-24页 |
| ·Rationale of the study | 第15-17页 |
| ·Importance of learner's dictionaries for language learners | 第15页 |
| ·Importance of definitions in learner's dictionaries | 第15-16页 |
| ·Problems of traditional dictionary definition style on language learners | 第16-17页 |
| ·Object of the study | 第17-20页 |
| ·COBUILD | 第17-18页 |
| ·Sentence definition style in COBUILD | 第18-20页 |
| ·Some related researches | 第20-21页 |
| ·Methodology | 第21-22页 |
| ·Significance of the study | 第22页 |
| ·Outline of the thesis | 第22-24页 |
| Chapter Two Linguistics and Dictionary Definitions | 第24-36页 |
| ·Introduction | 第24页 |
| ·Linguistics and lexicography | 第24-25页 |
| ·Some earlier linguistic studies reflected in dictionary definitions | 第25-28页 |
| ·Historical-comparative linguistics | 第25-26页 |
| ·Structural linguistics | 第26-27页 |
| ·Transformational-generative grammar | 第27-28页 |
| ·New linguistic studies reflected in sentence definitions in COBUILD | 第28-33页 |
| ·Functional linguistics | 第29-31页 |
| ·Cognitive linguistics | 第31-32页 |
| ·Relations between functional and cognitive linguistics | 第32-33页 |
| ·Challenge of sentence definitions to traditional dictionary definitions | 第33-34页 |
| ·Summary | 第34-36页 |
| Chapter Three A Functional Study of Sentence Definitions in COBUILD | 第36-55页 |
| ·Introduction | 第36页 |
| ·Analysis of sentence definitions in context | 第36-44页 |
| ·An overview of context theory | 第36-39页 |
| ·Development of context theory | 第36-37页 |
| ·Meaning in context | 第37-38页 |
| ·The role of context to meaning | 第38-39页 |
| ·Contextual information in sentence definitions | 第39-43页 |
| ·Context of co-text | 第39-40页 |
| ·Context of grammar | 第40-41页 |
| ·Context of culture | 第41-42页 |
| ·Context of situation | 第42-43页 |
| ·Discussion of context and dictionary definitions | 第43-44页 |
| ·Analysis of sentence definitions in textual function | 第44-54页 |
| ·An overview of textual function | 第45-47页 |
| ·Thematic structure | 第45-46页 |
| ·Information structure | 第46-47页 |
| ·The dictionary as text | 第47-53页 |
| ·Information structures of traditional phrasal definitions | 第47-48页 |
| ·Information structures of sentence definitions | 第48-51页 |
| ·A case study of the special type of sentence definition structure | 第51-53页 |
| ·Discussion of textual function and sentence definitions in COBUILD | 第53-54页 |
| ·Summary | 第54-55页 |
| Chapter Four A Cognitive Study of Sentence Definitions in COBUILD | 第55-73页 |
| ·Introduction | 第55页 |
| ·Analysis of sentence definitions in cognitive semantics | 第55-64页 |
| ·Exploration of the essence of meaning | 第55-57页 |
| ·Fixed meaning assumption | 第56页 |
| ·Fuzzy meaning assumption | 第56-57页 |
| ·Limitations of the classical approach of meaning to dictionary definitions | 第57-58页 |
| ·Cognitive effects of sentence definitions | 第58-63页 |
| ·Best andbiggest relevance effect | 第58-61页 |
| ·Best triggering effect | 第61-63页 |
| ·Discussion of cognitive semantics and sentence definitions in COBUILD | 第63-64页 |
| ·Analysis of sentence definitions in image schema | 第64-72页 |
| ·An overview of image schema | 第64-67页 |
| ·Definition of image schema | 第65页 |
| ·Formation of image schema | 第65-66页 |
| ·Features of image schema | 第66-67页 |
| ·The role played by image schema | 第67页 |
| ·Image schema and sentence definitions | 第67-71页 |
| ·Container schema | 第68页 |
| ·Part-whole schema | 第68-69页 |
| ·Center-periphery schema | 第69-70页 |
| ·Back-front schema | 第70页 |
| ·Link schema | 第70-71页 |
| ·Discussion of image schema and sentence definitions in COBUILD | 第71-72页 |
| ·Summary | 第72-73页 |
| Chapter Five Implications of Sentence Definitions in COBUILD | 第73-85页 |
| ·Introduction | 第73页 |
| ·A summary of the study of sentence definitions in COBUILD | 第73-78页 |
| ·Strengths of sentence definitions | 第73-76页 |
| ·Supplying rich information | 第73-74页 |
| ·Imitating user's cognitive sense | 第74-75页 |
| ·User-friendliness | 第75-76页 |
| ·Weaknesses of sentence definitions | 第76-77页 |
| ·Some tentative suggestions of sentence definitions | 第77-78页 |
| ·Implications of sentence definitions in COBUILD | 第78-84页 |
| ·Implications for dictionary making | 第78-82页 |
| ·English learner's dictionary | 第78-80页 |
| ·Chinese learner's dictionary and E-C bilingual dictionary | 第80-82页 |
| ·Implications for Englishteaching and learning | 第82-84页 |
| ·Summary | 第84-85页 |
| Chapter Six Conclusion | 第85-88页 |
| ·A summary of the present thesis | 第85-86页 |
| ·Some remaining limitations and future researches | 第86-88页 |
| References | 第88-93页 |
| A List of the Dictionaries Cited | 第93-94页 |
| Appendix Ⅰ | 第94-98页 |
| Test Version 1 | 第94-96页 |
| Test Version 2 | 第96-98页 |
| Appendix Ⅱ | 第98-99页 |
| Publications | 第99页 |
