lifespan

• n. 寿命；预期生命期限；预期使用期限

life,生命，span,扩展。

lifespan (n.)

also life span, 1918, from life (n.) + span (n.1).

1. A 15-year lifespan is not uncommon for a dog.

15年的寿命对狗而言是比较常见的。

来自柯林斯例句

2. Most boilers have a lifespan of 15 to 20 years.

绝大多数锅炉有15至20年的使用期限。

来自柯林斯例句

3. Worms have a lifespan of a few months.

蠕虫的寿命为几个月。

来自《权威词典》

4. They postulated a 500-year lifespan for a plastic container.

他们假定塑料容器的寿命为500年。

来自《权威词典》

5. 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。

来自柯林斯例句