| 1. | Boom ! boom ! boom ! a series of explosions shook the valley . 轰! |
| 2. | He proposed a series of informal meetings . 他建议举行一系列非正式会议。 |
| 3. | The book grew out of a series of lectures . 这书是由一系列讲稿编写而成的。 |
| 4. | Her story was nothing but a series of fabrications . 她说的完全都是编造的。 |
| 5. | A series of batch biological reactors are used . 可用一组间歇式生物反应器。 |
| 6. | The recorder trace is a series of inverse peaks . 记录器扫迹是一系列相反的波峰。 |
| 7. | There is a series of science and technology on the desk . 案头放着一套科技丛书。 |
| 8. | A series of sandstone beds may crop out in one area . 一组砂岩层可在某地区露出。 |
| 9. | Dicotyledonous plants retain a series of strands . 双子叶植物中保留着一系列的束。 |
| 10. | Now alfred began a series of skirmishes . 接着阿尔弗雷德开展了一连串的小规模战斗。 |