duration of life的意思|示意

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duration of life是指人的寿命，即从出生到死亡的期间。它是每个人生活的一部分，也可以用来指代动物的寿命。

用法是十分简单的，duration of life的一般用法是，在文章中或者表达中，经常出现它是指某人或某动物生命的时间段。例句：

1. Scientists believe that the duration of life of humans could be extended by up to 20 years in the future.

2. Scientists are researching ways to increase the duration of life of animals in captivity.

3. As we age, our duration of life gets shorter and shorter.

还有其他用法也很常见，比如指代一个事件的持续时间，或者某个活动运行的时间长度。例句：

1. The duration of life of a smartphone battery depends on how often it is used.

2. The duration of life of a computer game is often determined by the interest of the players.

3. The duration of life of a party can be determined by the number of people attending it.

总之，duration of life是用来表示生命的持续时间，也可以用来表示某个事件或活动的持续时间。