It was formed during the Yanshan movement of the earth.

它是在燕山地壳运动时期形成的。

youdao

Why couldn't ancient people see the movement of the earth then?

为什麽当时的人看不到地球在运动呢？

youdao

We have day and night and four seasons because of the movement of the earth as it spins in space.

因为地球在太空旋转时的运动，我们有了白天，黑夜和四季。

youdao

The creation of Earth Day is widely considered the beginning of the modern environmental movement.

VOA: special.2010.04.21

"The recent earthquakes in Manchester and Italy have highlighted our need to better understand the movement of the Earth's crust in England, " said Dr Matt King of Newcastle University's School of Civil Engineering and Geosciences.

BBC: Satellite technology aids quake research

"Any worldly event that involves the movement of mass affects the Earth's rotation, " Benjamin Fong Chao, of NASA's Goddard Space Flight Center in Greenbelt, Maryland, said while explaining the phenomenon in 2005.

CNN: Chile quake moves city more than 10 feet

Also, over strong London coffees, Isaac Newton, Christopher Wren and philosopher Robert Hooke met to discuss the movement of Earth and Dr John Wilkins mooted, for the first time ever, the idea of flying to the moon.

FORBES: Move up http://i.forbesimg.com t Move down