maintainon Basic wordsalso onAcademic Word List (AWL)? CEFR Upper intermediate (B2)? CEFR Mastery level (C2)? Academic Vocabulary List (AVL)? Band 3 (BND3)? 保养,保持,坚持 maintained maintained(verb) 维修,维护,维持(maintain的过去分词) maintaining maintaining(verb) 保养(maintain的现在分词),维持 maintains maintains(verb) 保养,保卫,保持(maintain的第三人称单数),坚持 maintain maintain(verb) 保养,保持,坚持 maintained maintained(adjective) 被保持的 maintenance maintenance(noun) 保持,生活费用,维修,维护 Forms verbadjectivenoun maintained maintained maintenance maintaining maintains maintain 1 2 3 4