Which means, I'm as old as plate tectonics.

这意味着，我板块构造学一样老。

Wallace had pulled together many pieces of the puzzle, but he and other scientists at the time were missing one key idea to complete the picture: Plate tectonics.

华莱士多拼图拼凑一起了，但科学家当时缺少一个完成的关键想法：板块构造学。

Wegener's idea – that the continents move – is at the heart of the theory that guides Earth sciences today: namely plate tectonics.

韦格纳的观点——大陆移动——是指导当今地球科学的理论的核心：即板块构造学。