| 1. | Volcanoes may exploded violently .
火山可能猛烈地喷发。 |
| 2. | Huge quantities of steam may be erupted and then condense .
大量水气会喷发出来，然后冷凝成雨。 |
| 3. | The most impressive volcanic phenomena are explosive eruptions .
最令人难忘的火山现象是爆炸喷发。 |
| 4. | Swanson was in his car driving toward the volcano when it blew .
斯旺森在火山喷发时，正在驶向火山的汽车里。 |
| 5. | Most volcanic eruptions in recorded history have blown skyward .
历史上有记载的大多数火山喷发是向天空喷发的。 |
| 6. | We watched explosive eruptions occur as frequently as several times per day .
我们观察到爆炸式的喷发频繁到每天有多次。 |
| 7. | The later eruptions were less violent and caused no significant damage .
后来的几次喷发就不太猛烈了，也未造成重大灾害。 |
| 8. | In this area the sheets could have originated from a separate center of eruption .
这地区的岩席可能发源于另一喷发中心。 |
| 9. | Then a lake formed, probably after an eruption blocked some rivers or streams .
可能是一次火山喷发之后，一些河流或溪水被堵塞了，形成了湖泊。 |
| 10. | Pouring from the top of the candle flame, billows of black smoke blotted out many stars .
滚滚黑烟就从烛焰上方那片烈火中不断喷发出来，把群星都遮暗了。 |
