| 1. | Poles always exist in pairs .
磁极总是成对存在的。 |
| 2. | Most galaxies occur in pairs or in small multiple groups .
大多数星系成双或几个成一小群。 |
| 3. | 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。 |
| 4. | When the idea of a gens was developed, it would naturally have taken the form of gentes in pairs .
当氏族观念日益发展时，很自然地就会出现成双配对的的氏族。 |
| 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. | They often ate alone, conferred in pairs and groups, noiselessly read their papers or books, or went here and there in swiftly driven automobiles .
他们往往独自用餐，三三两两聚在一起平静地商量事情、看报、读书，或是乘坐疾驰的汽车到各处去。 |
| 7. | Reading talk : warm family built in paired reading
亲子阅读讲座：温馨家庭在共读 |
| 8. | Our teacher asked us to talk in english in pairs
我们老师要求我们用英语对话。 |
| 9. | Xpers write all production code in pairs
Xp开发人员两两组合来编写所有的代码。 |
| 10. | The black mambas are found in pairs or small groups
黑曼巴在双或小的类群被发现。 |
