But the revolutions and changes which are responsible for the present state of the earth are not limited to the upsetting of the ancient strata and to the ebbing of the sea after the formations of new layers.
但是，造成地球现状的革命和变化并不局限于古老地层的倾覆和新地层形成后的海平面的下降。
标签
Revolutions
Responsible