The batteries had a life span of six hours.

电池的使用寿命是6小时。

《柯林斯英汉双解大词典》

The expected life-span of Beijing residents has gone up to 75.

北京居民的预期寿命已经达到75岁。

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Long-living women are also more likely to be sympathetic and cooperative than women with a normal life span.

与寿命处于正常范围内的女性相比，长寿女性更有可能具有同情心和合作精神。

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God saw that he had to limit the life span of humans, or risk creating an enemy that was nearly equal to him.

上帝发现他限制了人类的寿命，否则就是冒险创造了与他平等的死敌。

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So one of the reasons there is a huge increase in life span is because people aren't dying of things that they would have in prior years.

寿命范围显著增长的一个原因是,人们不再死于,以前那些致死的东西

耶鲁公开课 - 生物医学工程探索课程节选

The expected life spans increased dramatically in the last couple of hundred years until now, for people that were born when you were born you can expect to live to be 80 years old, a doubling in life span, fairly dramatic.

从几百年前到现在,预期寿命显著增长了,你们同期出生的那批人,能够活到八十岁,预期寿命增长了一倍,令人印象深刻

耶鲁公开课 - 生物医学工程探索课程节选

We no longer have to confine the life span of the LED to the life span of the converter.

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That roughly means there's a 50% chance she'll live that long (roughly, because the median life span is not necessarily the average life span).

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Span of life is the scarcity that will govern human interactions and consumer businesses.

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