kē / xué / jiā / fā / xiàn / duān / lì / huì / suí / zhe / xì / bāo / fēn / liè / ér / zhú / jiàn / suō / duǎn科学家发现,端粒会随着细胞分裂而逐渐缩短。Scientists have found that telomeres gradually shorten as cells divide.