| 1. | You speak of living on the lid of a volcano .
你谈到在火山口上生活。 |
| 2. | The mountain is encircled by the doughnut-shaped depression of the caldera .
山为环形的破火山口洼地环抱着。 |
| 3. | 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。 |
| 4. | 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。 |
| 5. | Tropical plants, sandy desert, waterfalls, craters and caves make a tourist attraction .
热带植物、沙漠、瀑布、火山口与洞穴吸引了游客。 |
| 6. | Volcanic tremor is due to the oscillation of magmatic gas or due to the crater-wall downfall .
火山地震由火山气体振荡或火山口内壁崩塌引起。 |
| 7. | Volcanic tremor is due to the oscillation of magmatic gas or due to the craterwall downfall .
火山地震由火山气体振荡或火山口内壁的崩塌引起。 |
| 8. | Volcanic tremor is due to the oscillation of magmatic gas or due to the crater-wall downfall .
火山地震由火山气体振荡或火山口内壁的崩塌引起。 |
| 9. | Mauna loa awoke from a 25-year silence in july 1975, filling its summit-pit crater with lava .
莫纳罗亚火山在1975年7月又从沉睡了25年的状态下苏醒过来了，山顶上的火山口充满了熔岩。 |
| 10. | A red glow hung near the summit and an occasional minor explosion created a king-size fireworks display from the crater .
山顶附近闪烁的红光和偶尔发生的小爆炸，构成从火山口放出的特大焰火。 |
