natural span of life的意思|示意

But 20th century medicine did little to increase the natural life-span of healthy humans.

然而，20世纪的医学对健康人的自然生命周期的增长几乎无能为力。

Such of words, ignore to die in what circumstance, the eyes power of god of also just it original natural life span.

这样的话，不管死于什么情况，死神眼看到的也只是其原本的自然寿命。

The process of aging and eventual death must finally be taken as the natural process of the life cycle, the old completing their limited life span and making way for the young.

人们必须接受衰老及最终辞世是人生周期的自然进程，老年人结束自己的寿命，为年轻人让位。

But 20th century medicine did little to increase the natural life span of healthy humans.

然而，20世纪的医学对健康人的自然生命周期的增长几乎无能为力。

Any longer would exceed the natural life span of the potential audience and sponsors for the message conveyed: the Century of Kidney Disease Awareness?

如果时间更长的话，就会超过潜在听众与赞助者的生命周期，譬如：肾脏病省思的世纪？

Project design explicitly concerns technical approaches as well as consideration of the existing built environment, natural environment, economic and social factors, and expected life span.

项目设计不仅明确关注技术层面的方法同时也考虑现有的房屋建造环境、自然环境、经济和社会因素以及预期寿命等。