摘要
The earth is covered by continent-size slabs of rock that are in endlessslow motion-tectonic plates afloat on a sea of semimolten rock. Smashingand grinding against each other, they create a labyrinth of cracks, or faultlines, in the earth’s crust.
出处
《当代外语研究》
1996年第7期1-2,共2页
Contemporary Foreign Language Studies
