rocky是什么意思？

If such an earthquake happened today, it would be felt from the Rocky Mountains to the Atlantic Ocean and would flatten most of the cities in the Mississippi valley.

In the rusty red deserts of South Africa, steep-sided rocky hills called inselbergs rear up from the plains like the bones of the earth.

The rocky views glimpsed by Venera nine and other Russian landers suggested a tortured volcanic history.

The surface formed mostly in the last billion years, which makes it fresher and more recently active than any rocky planet other than Earth.

Thus, our picture of Venus at around the time life was getting started on Earth is one of warm oceans, probably rich with organic molecules, splashing around rocky shores and volcanic vents.