(of a disease or symptom)characterized by progressive (often irreversible) deterioration and loss of function in the organs or tissues
(疾病,症状)不断恶化的
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degenerative diseases .变性疾病。
of or tending to decline and deterioration
退化的;变坏的
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the young generation had fallen into a degenerative backslide .年轻的一代已经堕落倒退了。
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