VOA慢速英语:Earth is Always on the Move

短语讲解：

1. The knowledge of the Earth’s constant motion is based on the work of scientists who study the movement of the continents.

base on 使建立在…基础上
例句："Base on Yunfu, orient to the world and aim at the future." 
立足云浮,面向世界,走向未来。 

2. The plates sometimes hit each other, and sometimes move away from each other.

each other 相互
例句：We liked each other a lot.
我们彼此都很喜欢对方。

3. Sometimes, the melted rock comes out with a great burst of pressure.

come out with 发表；公布
例句：They are going to come out with a great new encyclopedia next month. 
下个月他们将出一部了不起的新百科全书。 

4. Some earthquakes take place at the edges of continents.

take place 发生，举行
例句：They will now take place on january 15th.
这一切将会在明年1月15日发生。

5. These two huge plates come together at what is called a fault line.

come together 聚会，相见；会面
例句：Many factors come together to make a good college student.
许多因素的聚集构成一个良好的大学生。

6. He said the oceans were more than just low places that had filled with water.

more than 不只是
例句：More than 100 people were wounded.
爆炸还造成100多人受伤。

7. Even if the water was removed, he said, a person would still see differences between the continents and the ocean floor.

even if 即使，纵然
例句：Even if well managed, this will be difficult.
即便管理有方，这也将难度很大。

8. As the hot material reaches the ocean floor, it spreads out, cools and hardens.

spread out 伸展，延长
例句：The bird spread out its wings.
那只鸟张开了翅膀。