Color coding: Lesson Vocabulary  Supplementary vocabulary Single character (not used alone) Single character word 

Word Audio AI Test
放假 Vocabulary usage
寒假 Vocabulary usage
暑假 Vocabulary usage
滑雪 Vocabulary usage
滑冰 Vocabulary usage
滑冰场 Vocabulary usage
滑旱冰 Vocabulary usage
Character breakdown
Character breakdown
Character breakdown