| 摘要 | 第4-7页 |
| Abstract | 第7-10页 |
| Chapter I Introduction | 第14-18页 |
| 1.1 Research Background | 第14-15页 |
| 1.2 Significance of the Research | 第15-16页 |
| 1.3 Aim and Research Questions of the Study | 第16-17页 |
| 1.4 Organization of the Study | 第17-18页 |
| Chapter II Literature Review | 第18-28页 |
| 2.1 Previous Studies on Online Dictionaries | 第18-24页 |
| 2.1.1 Definition of Online Dictionaries | 第18-19页 |
| 2.1.2 The Preference for Using Online Dictionaries | 第19-20页 |
| 2.1.3 Benefits of Using Online Dictionaries | 第20-22页 |
| 2.1.4 Foreign Studies on Using Online Dictionaries | 第22-23页 |
| 2.1.5 Domestic Studies on Using Online Dictionaries | 第23-24页 |
| 2.2 Previous Studies on CLD, LDOCE, Youdao | 第24-26页 |
| 2.3 Summary | 第26-28页 |
| Chapter III Theoretical Framework | 第28-35页 |
| 3.1 Definition of Receptive Vocabulary and Productive Vocabulary | 第28-29页 |
| 3.2 Development of Receptive Vocabulary and Productive Vocabulary | 第29-31页 |
| 3.2.1 Receptive Vocabulary and Productive Vocabulary Theory | 第29-30页 |
| 3.2.2 Active Vocabulary and Passive Vocabulary Theory | 第30页 |
| 3.2.3 Motivated Vocabulary and Unmotivated Vocabulary Theory | 第30-31页 |
| 3.3 Receptive-productive Vocabulary Transferring | 第31页 |
| 3.4 Receptive-productive Vocabulary Transferring Methods | 第31-33页 |
| 3.4.1 Illustrative Examples Transferring | 第32页 |
| 3.4.2 Collocation and Connection Transferring | 第32-33页 |
| 3.4.3 Context-based Transferring | 第33页 |
| 3.5 Receptive Use and Productive Use in Dictionaries | 第33-35页 |
| Chapter IV Comparative Study between CLD, LDOCE, Youdao | 第35-73页 |
| 4.1 Applying of Lexical Items in the Dictionaries | 第35-40页 |
| 4.1.1 Choice of Target Lexical Items | 第35-38页 |
| 4.1.2 Applying Target Lexical Items in the Dictionaries | 第38-40页 |
| 4.1.3 Applying Procedures | 第40页 |
| 4.2 Findings on the Dictionaries | 第40-57页 |
| 4.2.1 Findings on Layout of the Dictionaries | 第40-45页 |
| 4.2.2 Findings on Results of Selected Items in the Dictionaries | 第45-48页 |
| 4.2.3 Findings on Words’ Demonstrations in the Dictionaries | 第48-57页 |
| 4.3 Discussion | 第57-73页 |
| 4.3.1 Layouts of the Dictionaries | 第57-58页 |
| 4.3.2 Receptive Use or Productive Use in the Dictionaries | 第58-73页 |
| 4.3.2.1 Receptive Use in the Dictionaries | 第58-65页 |
| 4.3.2.1.1 Comprehensible Definition for Receptive Use | 第58-61页 |
| 4.3.2.1.2 Other meaning Explanation for Receptive Use | 第61-63页 |
| 4.3.2.1.3 Illustrative Examples for Receptive Use | 第63-65页 |
| 4.3.2.2 Productive Use in the Dictionaries | 第65-73页 |
| 4.3.2.2.1 Collocation and Connection Transferring for Productive Use | 第65-67页 |
| 4.3.2.2.2 Context-based Transferring for Productive Use | 第67-73页 |
| Chapter V Conclusion | 第73-78页 |
| 5.1 Research Questions | 第73-75页 |
| 5.2 Lexicographical Improvements | 第75-76页 |
| 5.3 Pedagogical Implications | 第76-77页 |
| 5.4 Limitations of Present Study and Suggestions for Further Research | 第77-78页 |
| Bibliography | 第78-82页 |
| 发表论文和参加科研情况说明 | 第82-83页 |
| Acknowledgements | 第83-84页 |
| List of Abbreviations | 第84页 |
| Notes | 第84-85页 |
