lifespan怎么读?lifespan是什么意思?

lifespan怎么读?

英 [ˈlaɪfspæn] 美 [ˈlaɪfspæn]

lifespan是什么意思?

n.寿命;可持续年限;有效期

复数： lifespans

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。