| 1. | They think that the oil under the surface of the earth originated in the distant past .
他们认为地下的石油在远古时期就开始形成。 |
| 2. | The surface of the earth is thus immensely important to the overall scheme of energy exchange .
所以，地球表面对整个能量转换全局是非常重要的。 |
| 3. | This monstrous flare would undoubtedly incinerate all life on the surface of the earth .
这种难以置信的突然爆发无疑会把地球表面的一切生命烧成灰烬。 |
| 4. | A whirlwind is small in size and may suck up sand and dust as it moves over the surface of the earth .
旋风的范围小，当它在地球表面移过时，可以吸进沙和灰尘。 |
| 5. | In a surface burst, the fireball, in its rapid initial growth, will touch the surface of the earth .
在表面爆炸时，火球在其最初的迅速成长过程中，将与地面接触。 |
| 6. | Comment on the relation between this period and the period of a satellite revolving close to the surface of the earth .
解释这个周期和卫星沿接近地球表面的轨道旋转的周期之间的关系。 |
| 7. | It was newton's inspirited thought that this force might be the same as the familiar force that pulls objects to the surface of the earth .
牛顿富有灵感地想到，这个力可能和人们熟知的将物体拉向地球表面的力相同。 |
| 8. | Without sunlight there would be no forests, either now or in the past, and consequently no coal and oil deposits on the surface of the earth .
不管是现在还是过去，没有阳光，就不会有森林，因而在地面上也就不会有煤和石油矿藏。 |
| 9. | 700 miles below the surface of the earth . hell of a day
在地底下700哩，像是地狱 |
| 10. | Three ? fourths of the surface of the earth is water
地球表面的四分之三是水。 |
