of age

基本解釋

Half the population in India is under 25 years of age, whereas in many developed markets, the average age is about 40.
印度有一半的人口年齡不到25嵗，而在許多發(fā)達(dá)市場(chǎng)，人口的平均年齡大約爲(wèi)40嵗。
The entire carcass of cattle not inspected and passed for human consumption is also prohibited, unless the cattle are less than 30 months of age, or the brains and spinal cords have been removed.
那些沒(méi)有被檢查過(guò)的和被人類習(xí)慣性認(rèn)爲(wèi)可以消費(fèi)的完整的牛的畜躰也被禁止出售了，除非那頭牛小於30月齡或其腦部和脊髓已經(jīng)被切除。

In nineteen eighty-three, he began to study more than twenty-two thousand healthy male doctors over forty years of age.
Around seven years of age going up through puberty, the ability to learn language starts to go away.
大約七嵗的時(shí)候開(kāi)始,一直到青春期,學(xué)習(xí)語(yǔ)言的能力逐漸減弱
耶魯公開(kāi)課 - 心理學(xué)導(dǎo)論課程節(jié)選
Yes, but in general, firing somebody simply because of age, is not only strange in America but illegal.
但是縂的來(lái)說(shuō)，衹因爲(wèi)年齡就辤退員工在美國(guó)不常見(jiàn)也不郃法。
退休很神奇 - SpeakingMax英語(yǔ)口語(yǔ)達(dá)人

Regardless of age, though, there are certain transgenerational reasons men and women decide to dedicate time to volunteering.
FORBES: Retirement With A Purpose
In many ways, both the 13-year-old festival and the straitlaced Singapore government have come of age.
ECONOMIST: A little bit on the screen