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。
3.
One way to tell whether the lunar cataclysm actually occurred would be to determine the absolute age of the spa basin 想判断月球灾难是否曾发生的方法之一,就是确定spa盆地的绝对年龄。