Worms have a lifespan of a few months.

蠕虫的寿命为几个月。

《牛津词典》

Most boilers have a lifespan of 15 to 20 years.

大部分锅炉的使用期限是15到20年。

《柯林斯英汉双解大词典》

It will have a lifespan of about 15 years, enough time to make a significant dent in our space debris problem.

太空舱的预期寿命约为15年，有足够的时间大大削减空间垃圾问题。

youdao

The unmanned facility would have a lifespan of about 25 years.

BBC: Gas power plan for Gedling colliery site

Now, we're living into our 90s, so it's very important for somebody who's 62, especially if they have a good long lifespan ahead of them, to invest in a diversified portfolio that's not just geared towards income, it's also geared towards some growth.

NPR: How to Weather a Rocky Economy

This view is understandable given that only a few decades ago I, myself, would have thought it ridiculous to imagine that reefs might have a limited lifespan on Earth as a consequence of human actions.

FORBES: Is the Great Barrier Reef Doomed? One of the World's Leading Coral Scientists Thinks So