| denaturalization, Degeneration, degenerate, deteriorate, astray, pass into a worse physical, mental or moral state than one which is considered normal or desirable （, degradation, descend step by step aeration, degenerate, addle, condition, offence, decrease in quality, debase, abnormality, buckle, rot, rot, decay, backing, regress, backslid, move or turn back, feedback, recover, bianzao, turn `sour become unfavourable or unpleasant, variation, variation, sport, aberrance, comedown, decrease, dilute, deadness, wane |