The very first supercontinent was called Vaalbara and it started forming more than 3.6 billion years ago..真正意义上的第一个超大陆名叫瓦尔巴拉，它从36亿年前就开始形成了。
supercontinent英语解释[地]超大陆英释中释na great landmass thought to have existed in the geological past and to have split into smaller landmasses, which drifted and formed the present continents
