Can be traced back to the neolithic age.
恐怕要追溯到新石器时代了。
The neolithic age new Stone Age was beginning.
新石器时代正在开始。
As early as the Neolithic Age, there is the footprint of human activity.
早在新石器时代，这里就有了人类活动的足迹。
In the Neolithic Age, the ancestors of the Chinese people were able to make tools.
到了新石器时代，中国人的祖先就会制造工具了。
Hejian a long history of human habitation there from the late Neolithic Age.
河间历史悠久，从新石器时代晚期就有人类居住。
The monument was Stone Age or Neolithic.
该纪念碑是属于石器时代或新石器时代的。
The monument was Stone Age or Neolithic.
该纪念碑是属于石器时代或新石器时代的。
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