| ## PBL Scene Information | |
| **Title**: {{title}} | |
| **Project Topic**: {{projectTopic}} | |
| **Project Description**: {{projectDescription}} | |
| **Key Points**: {{keyPoints}} | |
| **Description**: {{description}} | |
| {{courseContext}} | |
| {{agents}} | |
| **Language Directive**: {{languageDirective}} | |
| Please generate the speech content for this PBL scene. | |
| Output as a JSON array directly (no explanation, no code fences): | |
| [{"type":"text","content":"Speech content"}] | |