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

这意味着，我和板块构造学一样老。

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——移动——是指导当今球科学的理论的：板块构造学。

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.

华莱士已将许多拼图拼凑在一起了，但他和其他科学家在当时缺少一个完成的关键想法：板块构造学。