protolithic / ˌproʊt lˈɪθ ɪk /

🎓大学词汇原石器时代原生石器时代原石器时代的原始石器时代

protolithic 的定义

adj. 形容词 adjective

Anthropology.

  1. noting or pertaining to stone implements selected according to suitability of the form to a particular purpose without definite shaping on the part of the user.