旧石器时代 (舊石器時代) jiùshíqì shídài
- 
              jiùshíqì shídài 
              proper noun 
              Paleolithic; old stone age 
Domain: Modern Chinese 现代汉语 , Subdomain: Anthropology , Concept: Era 时代
Notes: From the first use of stone tools by hominids c. 2.5 million years ago to the introduction of agriculture about 12,000 years ago. - 
              jiùshíqì shídài 
              proper noun 
              Paleolithic Era 
Domain: Modern Chinese 现代汉语 , Subdomain: Anthropology
Notes: (CC-CEDICT '舊石器時代'; Guoyu '舊石器時代')