| 1. | After a rain part of the water seeps into these openings and percolates beneath the land surface .
雨后，部分的水就渗进这些洞隙，并在地底下渗透。 |
| 2. | Sometimes magma does not melt its way to the surface, but acting under the pressure of surrounding rocks, flows underground .
有时岩浆并不一直熔化到地表，而是在围岩压力的作用下在地底下流动。 |
| 3. | Twenty-four hours of ceaseless work by the light of oil lamps, seventy feet down in a confined space with dust flying everywhere, tested patience and skill .
在煤油灯下连续工作24小时，在地底下70英尺的狭小空间里，尘土到处飞扬，真是对耐心和技巧的考验。 |
| 4. | He rescued the man who was trapped underground
他救了那个被困在地底下的男人。 |
| 5. | 700 miles below the surface of the earth . hell of a day
在地底下700哩，像是地狱 |
| 6. | And they ' re under the ground ? their bodies are , yes
那他们就长眠地下了？ -他们的肉体是在地底下 |
| 7. | Some animals live beneath the ground
有些动物生活在地底下。 |
| 8. | In a cave of the dark middle earth
在地底下黑暗的洞穴里。 |
| 9. | Lie cold in the ground like you
像你在地底下冰冷的躺着。 |
| 10. | I think it s a geode . i don t understand how it s survived down here
我想这就是晶洞不知道为什么会在地底下 |
