Life-expectancy
[医]寿命（预期寿命）
🧩 词语组成解析
life
[laɪf]
n. 生活，生计;生命，性命;一生，寿命;人生，尘世;
🗣️ 情景例句
You're welcome.
不用客气。
I'll be ready within five minutes.
我五分钟内就可以准备好了。
I was doing eighty when I overtook you.
我是以第小时80英里的速度赶上你的。