neolithic

例句：

1. 1. The ancient civilization of the Neolithic Age is still studied today.
   古新石器时代的文明至今仍被研究。
2. 2. The discovery of a new species in the Neolithic era has sparked excitement among scientists.
   在旧石器时代发现的新物种引起了科学家的兴奋。
3. 3. The Neolithic Revolution marked the transition from hunting and gathering to agriculture.
   新石器革命标志着从狩猎采集到农业的转变。