Absolute dating involves assessing the actual age of a specimen by using some reliable measure to time.

另一种是绝对年龄，通过测量可靠的时间来确定样品的真实年龄。

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Absolute dating involves assessing the actual age of a specimen by using some reliable measure to time.

一种是测定相对年龄，通过与其他的样品的比较来确定待测样品的年龄。

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According to this rate, 45-year-old grandfather can do, no wonder the two older brother looks bigger than the actual age.

照这个速度，四十五岁就可以做爷爷了，也难怪两位大哥看上去比实际年龄要大。

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there is an actual reason, why for that specific job, the age is of utmost important.

能够证明就某种特定工作而言，由于特殊的原因，年龄真的至关重要。

退休很神奇 - SpeakingMax英语口语达人

Interestingly, it is also just about the only Irish whiskey on the market with an actual age statement on its label, guaranteeing this 12 year minimum, while many others vary the aging from batch to batch.

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Martin Baily and Jacob Kirkegaard of the Peterson Institute in Washington, DC, reckon that raising actual EU retirement ages to the official age would offset the impact of an ageing population over the next 20 years.

ECONOMIST: Pensions: 70 or bust! | The

As things now stand, without major payroll tax boosts the actual return for our under-age-30 citizens will be decidedly negative.

FORBES: Fact and Comment