改良amendment;improvement;refinement详细»
改良evolutionary详细»
改良reforming详细»
改良amelioration;improvement;reformating详细»
改良ameliorate;amelioration;amend详细»
改良reclaimation;regeheration详细»
改良improvability;improve;improvement详细»
改良improvement;reformating;betterment详细»
改良amelioration详细»