lifespan

lifespan读音音标

英 [ˈlaɪfspæn]

美 [ˈlaɪfspæn]

lifespan意思解释

n.

（人或动物的）寿命；

存在期；

使用期；

有效期

变形

复数：lifespans

英英释义

n.

the period during which something is functional (as between birth and death)

同义词：lifelifetimelife-time

双语例句

用作名词(n.)Men have a shorter lifespan than women.男人的寿命比女人短。Worms have a lifespan of a few months.蠕虫的寿命为几个月。Password expiration policies are used to manage the lifespan of a password.密码过期策略用于管理密码的使用期限。