lifespan的音标

英 [ˈlaɪfspæn]

美 [ˈlaɪfspæn]

lifespan的用法

n. 寿命;可持续年限;有效期

复数： lifespans

lifespan的例句

1.Once the ovum is released it has a lifespan of 12 to 36 hours. 

卵子排出后可存活12至36小时。

2.This is equivalent to losing half a month from each lifespan. 

这相当于每个人损失了半个月的寿命。

3.A hydraulic clutch and self-adjusting mechanism eliminates the need for adjustments throughout the lifespan of the transmission. 

阿液压离合器和自动调节的机制消除了调整，在整个传输寿命的需要。

4.The Bird's Nest, which implies the meaning of "hope," was designed with a long lifespan.

鸟巢，和“希望”的含义相符，被设计为长期的使用寿命。

5.Traditional PCs require more power and cooling than thin clients and have a shorter lifespan.

与瘦客户机相比，传统的PC需要更多的电力和更强的冷却系统，寿命更短。

lifespan的真题例句

1.It is more important to those with a longer lifespan.

出自-四级2017年6月阅读原文

2.A longer lifespan is changing the narrative structure of life itself.

出自-四级2017年6月阅读原文

3.Leonard Hayflick, a professor at the University of California, San Francisco, said the idea that aging can be cured implies the human lifespan can be increased, which some researchers suggest is possible.

2017年12月四级真题（第二套）阅读 Section C