1. Experimental data seem to indicate that the amount of radon (Rn) in the water under the surface of the Earth waxes before an earthquake.
    实验数据似乎表明，地震前地下水中氡的含量会增高。

2. Because the gravity on the Moon´s surface is only a sixth of Earth´s (remember how easily the Apollo astronauts bounded along),
    由于月球表面的重力仅是地球表面的1/6 -- 还记得阿波罗飞船中的宇航员累松地跳跃 --

3. But as the paper moved from side to side under the pen point, its movement would be recorded in ink upon its surface.
    由于纸在笔下来回运动，纸的表面就会用墨水记录下地板运动的情况。

4. Before the Hanshin earthquake in Japan, there were reports of large schools of fish swimming near the surface of the water.
    日本的阪神地震发生之前，有报告说大批鱼群游到了水面。

5. But its economy is stuck in recession and it barely has the money to even scratch the surface of the problem.
    但是由于其经济陷于低迷，几乎没有资金来着手解决最基本的问题。

6. For heavy rain would not only wash away the soil but would cause serious floods as well.
    因为大雨不仅会冲走土壤，而且还会引起严重的水灾。

7. When it has been decided where we are going to drill, we put up at the surface an oil derrick.
    当钻孔地点决定后, 我们就在那块地面上坚起一个井架.

8. Water the plant regularly to keep the soil moist.
    按时给植物浇水以保持土壤湿润.

9. When farmer spray poison to kill plant pests, poison is sent into the air the water and the soil.
    农民为了杀死害虫而喷撒农药的时候,有毒物就被排放到空气中, 水里和土壤里.

10. When it has been decided where we are going to drill, we put up at the surface an oil derrick.
    当确定钻孔地点后，我们就在那里竖起一个井架。

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