When the telomeres become very short, the cell starts to malfunction and show signs of ageing.

当端粒变得非常短时，细胞就无法正常工作，会显现衰老的征兆。

youdao

Around three in every 10 nursing positions currently remain unfilled and the report predicts that Caribbean countries will be short of 10 000 nurses to help care for their ageing population by 2025.

每10个护士岗位中约有3个目前仍然空缺，而且报告预测到2025年加勒比地区各国将缺少10000名协助护理其老龄化人口的护士。

youdao

Such estimates should be treated with caution. Ageing, at least in the short term, is fairly predictable, so markets may have already discounted its impact on asset prices.

以上这些估计，要谨慎的对待。老龄化问题，至少在短期内是容易预见的，所以市场也许已经削弱了它对房价的影响。

youdao

Those problems - he says - can't be tackled with short term patching up of the existing ageing infrastructure.

BBC: Lord Foster unveils plans for Thames Estuary airport

Even in animals as short-lived as mice, she points out, studying ageing is a long-winded process.

ECONOMIST: Exercise and longevity

The costs of the social-security system are set to soar, in the short term because of the slump and in the long run because the country is ageing so fast.

ECONOMIST: Germany's election