| 1. | There are several possible explanations . 存在着几种合乎情理的解释。 |
| 2. | There were several doors with brass knobs . 那儿有好几扇门,门上有铜把手。 |
| 3. | There are several weak spots in your argument . 你的论点中有几处经不起推敲。 |
| 4. | There are several species differences . 有好些种族差异。 |
| 5. | There are several different implementation of this method . 对该方法还有一些补充。 |
| 6. | There are several other excretory mechanisms in earthworms . 蚯蚓有好几种排泄机制。 |
| 7. | There are several species of maple trees that are tapped . 产枫浆的枫树有好几个品种。 |
| 8. | Despite these success, there are several problems . 尽管有了这些成就,但还有几个问题。 |
| 9. | There are several different detectors in common usage . 有几种不同的检测器可供平常使用。 |