contributeon Basic wordsalso onAcademic Word List (AWL)? CEFR Upper intermediate (B2)? CEFR Advanced (C1)? Academic Vocabulary List (AVL)? Academic Chunk List (ACL)? Contributions (SIG)? Band 2 (BND2)? contributors contributors(noun) 投稿者(contributor的名词复数),捐助者,贡献者 Forms noun contributors 1 2 3