protocontinent.
/proh-toh-kon-tn-uhnt/US // ˌproʊ toʊˈkɒn tn ənt //
原大陆,原生大陆,原始大陆,原生宙
Definitions
n.noun · 名词
- 1.
Geology.
- ›an actual or hypothetical landmass that might later be enlarged into a major continent or broken up into smaller ones.
Level 3More words in p →