And one of the things he had observed is that if you look at mountains like the Appalachians, you often find that the rocks in them are folded, and they're folded in a particular way, which suggested to him that they were actually being compressed from the side.
他观察到的一个事情是, 如果你注视山，比如阿帕拉契山脉时, 你会发现山中的石头 是叠层的， 它们由特定的方式堆叠而成， 这显示 它们是由两侧挤压而成的。