prehistoric period

基本解释

Part III discusses the environment and climate during the prehistoric period in Northern Anhui.
皖北地区史前时期的自然环境与气候。
The design of the remainder of the subject rests on a case-study approach using three specific examples drawn from the prehistoric period and the pre-industrial era.
学程的其余设计仰赖史前时期和工业化前的时代的三个具体例子放在案例研究上。
The prehistoric archaeological achievement of plain of Chengdu indicates cultural development and social process that this area is in prehistoric period have already reached quite high level.
成都平原史前考古成果表明该地区在史前时期的文化发展和社会进程已经达到相当高的水平。

The most popular video during the period was for The Year One, a stoner comedy about prehistoric times, starring Jack Black and Michael Cera.
FORBES: Magazine Article