decayon Upper intermediatealso onBasic words (BNC)? CEFR Mastery level (C2)? Academic Vocabulary List (AVL)? Band 3 (BND3)? 腐朽,腐烂,蛀牙,衰败,衰退, 腐朽,腐烂,蛀蚀,衰败,衰退 decay decay(noun) 腐朽,腐烂,蛀牙,衰败,衰退 decay decay(verb) 腐朽,腐烂,蛀蚀,衰败,衰退 decaying decaying(adjective) 消散的,腐烂的,衰减的 decayed decayed(adjective) 腐烂的,腐败的,衰退的 Forms nounverbadjective decay decay decaying decayed