"But they continue to age because aging is separate from their disease," Hayflick said.
“但是他们会继续变老，因为变老和他们的病是两码事。” 海弗利克说。
Most people believe that aging is universal but there are biological organisms that never age.
大多数人认为万物都会老化，但有些生命体永不衰老。
Age structure has aging trend;
年龄结构有老年化趋势；
Age structure has aging trend;
年龄结构有老年化趋势；
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