| 释义 |
〔protocontinent〕A landmass, actual or hypothetical, that could develop into a major continent.原始大陆：一种假定的或实际存在的陆地板块，能发展成主要大陆〔Laurasia〕The protocontinent of the Northern Hemisphere, a hypothetical landmass that according to the theory of plate tectonics broke up into North America, Europe, and Asia.劳亚古大陆：北半球的原始大陆，一片假想中的大陆板块，根据板块构造理论，它分裂为北美洲、欧洲和亚洲 |