The development of an understanding of the self becomes evident between the first and secondyears of life and shows rapid elaboration in subsequent years.
对自我理解的发展在生命的头一两年间变得明显,在随后的几年里快速地变得详尽。
2
There were actually two periods of rain and lake formation: the first one began about 37,000 years ago; and the second one dates from about 10,000 years ago.