| 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. | There are infiltration center on lava and agglomerates .
在熔岩或集块岩上有渗漏中心存在。 |
| 4. | These ridges formed by glaciers or lava flows are called moraines .
由冰川和熔岩形成的侧脊叫冰碛。 |
| 5. | Sometimes the melted rock comes out with a great blast of pressure .
有时熔岩会迸发而出，产生巨大的爆破压力。 |
| 6. | Few people have been harmed physically by molten lava flowing from volcanoes .
被火山喷溢出的熔岩伤身体的人不多。 |
| 7. | A group of volcanic vents will produce a lava of the same mineral composition .
一群火山口将产生相同矿物成份的熔岩。 |
| 8. | One of the characteristics of lava and debris valleys is a u-shaped transverse profile .
熔岩流及泥石流谷的特点之一是横剖面为U型。 |
| 9. | Such lavas also once came from the volcanoes in the cascade range in washington .
在华盛顿州的喀斯喀特山脉的火山也喷出过这样的熔岩。 |
| 10. | If the lava sinks back into its chimney, a crater is left at the top of the mountain .
如果熔岩沉入这个通道，山顶就会留下一个火山口。 |
