principalon Academic Word Listalso onCEFR Intermediate (B1)? CEFR Upper intermediate (B2)? Academic Vocabulary List (AVL)? Band 3 (BND3)? 主要的,最重要的, 负责人,首长 principal principal(adjective) 主要的,最重要的 principal principal(noun) 负责人,首长 principally principally(adverb) 主要地,大部分 Forms adjectivenounadverb principal principal principally