prehistory /ˌpriːˈhɪstəri/ noun plural prehistories
plural prehistories
Learner's definition of PREHISTORY
1
[noncount] : the period of time in the past before people could write : the time before history was written down史前时期 2
[count] : the time and events that came before and led to the development of something历史背景 —
usually singular通常用单数