1·During the senescence of Xue Hua Pears, the fruit firmness declined with the flesh developing the squarrose and browning.
雪梨衰老时，硬度下降，果肉褐变糠化。
2·Conversely, if telomerase activity is high, telomere length is maintained, and cellular senescence is delayed. This is the case in cancer cells, which can be considered to have eternal life.
相反，如果端粒酶一直保持较高的活力，则端粒的长度就能保持下去，而细胞衰老的进程就会被推迟，这种情形可见于癌细胞：一类属于永生的细胞。
3·The International Classification of Diseases, (ICD-10), does list "senescence" a medical euphemism for old age, as a cause of death.
国际疾病分类(ICD - 10)也并未把“衰老”列为死因。
4·Yet they “do not show any time of senescence, ” write the researchers, who estimate the olm’s average lifespan to be 69 years, with an upper limit at the century mark.
研究人员估计洞螈的平均寿命为69岁，最多能活100岁，但是到目前为止这些洞螈没有显现出任何衰老的迹象。
5·He calls the approach Strategies for Engineered Negligible Senescence (SENS).
他把这种方法称为掌控可忽略衰老的战略(SENS)。