This spectacular increase in longevity, unexampled in the history of living things, is reflected in a current steep escalation in the number of old people.
这惊人的寿命的增长，在生物体当中是历无前例的，反映了当前老人的数目急剧上升了。
This spectacular increase in longevity, unexampled in the history of living things, is reflected in a current steep escalation in the number of old people.
这惊人的寿命的增长，在生物体当中是历无前例的，反映了当前老人的数目急剧上升了。
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