lifespan
US /ˈlaɪf.spæn/
UK /ˈlaɪf.spæn/

名词
1.
寿命, 使用寿命
the length of time for which a person or animal lives or a thing functions
示例:
•
The average lifespan of a domestic cat is about 15 years.
家猫的平均寿命约为15年。
•
LED bulbs have a much longer lifespan than traditional ones.
LED灯泡的使用寿命比传统灯泡长得多。
在 Lingoland 学习这个单词