deterioration
词形变化：
形容词: deteriorative | 名词: deterioration | 动词过去式: deteriorated | 动词过去分词: deteriorated | 动词现在分词: deteriorating | 动词第三人称单数: deteriorates |
同义词：
worsening | decline | weakening | drop | descent | depreciation | impairment | declension |
反义词：
词义辨析：
反义:
n.恶化; 降低; 堕落
amelioration
反义参见:
improvement