protocontinent / ˌproʊ toʊˈkɒn tn ənt /

⚽高中词汇原大陆原生大陆原始大陆原生宙

protocontinent 的定义

n. 名词 noun

Geology.

  1. an actual or hypothetical landmass that might later be enlarged into a major continent or broken up into smaller ones.