n.寿命，可持续年限，有效期

原形：lifespan复数：lifespans

The lifespan of a butterfly is usually around two months.
蝴蝶的寿命通常约为两个月。
The average lifespan of a human has increased dramatically over the past century.
人类的平均寿命在上个世纪显著增加。
The lifespan of a dog varies depending on its breed; some can live up to 20 years.
狗的寿命因品种而异，有些可以活到20年。
The lifespan of a car battery is typically around five years.
汽车电池的使用寿命一般为五年左右。
The lifespan of a light bulb is influenced by how often it's turned on and off.
灯泡的寿命受其开关频率的影响。
The lifespan of a computer is generally shorter than that of its user.
电脑的寿命通常比其用户要短。
The lifespan of a refrigerator can be up to 15 years with proper maintenance.
冰箱在妥善保养下，使用寿命可达15年。
The lifespan of a solar panel is estimated to be around 25-30 years.
太阳能板的预计寿命约为25至30年。
The lifespan of a typical houseplant is much shorter than that of outdoor trees.
常见的室内植物寿命比户外树木要短得多。
The lifespan of a smartphone is becoming shorter as new models are released frequently.
随着新手机型号频繁发布，智能手机的寿命正在变短。