mesolithic
adjective science specialized uk/ˌmes.əˈlɪθ.ɪk/ us/ˌmez.əˈlɪθ.ɪk/
中石器时代的
relating to the middle part of the Stone Age (= the period when humans used tools and weapons made of stone)
They believe that dogs were domesticated during the mesolithic age. 他们相信狗是在中石器时代被驯化的。
Compare: palaeolithicneolithic