| 1. | The south pole is the antipode of the north pole .
南极是北极的对地。 |
| 2. | The guests came in couples .
客人们成双成对地来了。 |
| 3. | After dinner the boys and girls paired off and went to dance .
会餐后，男女青年们成双成对地去跳舞。 |
| 4. | These atoms recombine in pairs during the night to form molecules of oxygen gas .
在夜间，这些氧原子再成对地结合成氧气分子。 |
| 5. | The magnetic fields produced by the orbital motions of the electrons in filled shells also cancel in pairs .
满壳层中电子的轨道运动所产生的磁场也被成对地抵消了。 |
| 6. | After dinner we paired off and went to dance
饭后我们成双成对地跳舞去了。 |
| 7. | The effect of underground water on ground stress measurement
地下水对地应力测量的影响 |
| 8. | Application of satellite remote sensing images in railway location
影像直接对地定位研究 |
| 9. | We can aggregate subtrees of the " plain " type pairwise
我们可以成对地聚集“ plain “类型的子树。 |
| 10. | Noah built an ark , which the animals came on to in pairs
挪亚建造了方舟，动物们成双成对地来了。 |
