| 1. | We shall pretend that there is a big switch that can change the pull of gravity .
我们要假设有一个能改变地心引力的大的转换器。 |
| 2. | That ' s how strong the earth ' s pull of gravity is
你看看，地球引力有多强大。 |
| 3. | Long ago , the pull of gravity was not electrical , nor was it a pull
很久以前，地球重力是非电性的，也不是拉力。 |
| 4. | Other exercises include calculating the pull of gravity on the planet krypton
其他的练习题包括计算克里顿普行星的重力有多强。 |
| 5. | The pull of gravity depends upon size , or , more accurately , upon mass
引力的拉力取决于物体的大小，或者更确切地说，取决于质量。 |
| 6. | The smaller the thing the less the pull of gravity on it and the less the weight
东西越小，地心引力对它的吸力就越小，重量也就越轻。 |
| 7. | Anything that is dropped falls towards the centre of the earth because of the pull of gravity
物体脱手即向地心方向跌落是由于重力吸引的缘故。 |
| 8. | Anything that is dropped falls towards the centre of the earth because of the pull of gravity
物体脱手即向地心方向跌落是由于重力作用的缘故。 |
| 9. | While a star burns fuel , it produces an outward push that counters the inward pull of gravity
一个星燃烧燃料，不过它生产制止内部的向外的推动地心引力拉。 |
| 10. | Effective resistance is when you are moving the barbell vertically , directly opposite the pull of gravity
当你在有效抵抗杠铃的垂直移动,直接拉动对面重力 |
