| 1. | An active volcano vomits forth smoke and lava .
活火山喷出烟雾和熔岩。 |
| 2. | This is an active volcano which spews out lava every year .
这是个每年喷熔岩的活火山。 |
| 3. | He has been able to tell us more about active volcanoes than any man alive .
他能够比当今的任何人讲述更多的关于活火山的情况。 |
| 4. | The polish scientist has spent his life-time studying active volcanoes and deep caves in all parts of the world .
波兰科学家花费了毕生精力研究世界各地的活火山和深岩洞。 |
| 5. | In fact, mount saint helens appears to be the youngest, most recently active volcano in the cascade range .
事实上，圣海伦斯火山是喀斯特山脉中最年轻又是最近期活动的活火山。 |
| 6. | It is most risky to go and examine an active volcano
去探察活火山是非常危险的。 |
| 7. | Who build their homes right next to an active volcano ,
他们将住宅建在活火山的旁边 |
| 8. | Mount fuji in japan is actually an active volcano
日本的富士山实际上是一座活火山。 |
| 9. | It ' s one of the world ' s most active volcanoes
它是世界上最活跃的火山之一。 |
| 10. | The eruption of active volcano is a dreadful phenomenon
活火山爆发是一种可怕的自然现象。 |
