Dual Language Immersion Mandarin Project-Based Learning Teaching Materials中英双语浸润式中文项目式学习课程材料简介The Dual Language Immersion (DLI) Mandarin Project-Based Learning (PBL) materials are developed based on my 15 years of classroom experience in DLI education. Each unit is thoughtfully designed to meet students’ real language needs through authentic, hands-on projects that connect Mandarin learning with culture and academic content. Centered around essential questions, these units guide students to exp