A chain of volcanoes girdles the Pacific.

环绕太平洋的是一连串的火山。

Most volcanoes occur at plate boundaries.

大多数火山的爆发发生在板块边界。

Are the Martian shield volcanoes still active?

火星上的盾状火山还处于活跃期吗？

Did you say we have shield volcanoes on Earth?

你是说地球上有盾状火山吗？

Shield volcanoes have very gentle sloping sides.

盾状火山的斜坡非常平缓。

How about if we search for volcanoes and New Zealand?

如果我们搜索火山和新西兰呢？

It was the volcanoes Vesuvius and Etna that she meant.

她指的是维苏威火山和埃特纳火山。

Mount Etna is one of the most active volcanoes on Earth.

埃特纳火山是地球上最活跃的火山之一。

Zircon starts off as molten magma, the hot lava from volcanoes.

锆石开始是熔融的岩浆，来自火山的热熔岩。

I think we'll learn to control the weather, volcanoes and earthquakes.

我想我们会学会控制天气、火山和地震。

These bursts are similar to what we see when volcanoes erupt on Earth.

这些爆发与我们在地球上火山喷发时看到的相似。

These are volcanoes so explosive that they burst open in a single big crack.

这些火山爆炸性极强，爆发瞬间出现了一道大裂缝。

The volcanoes in the Hawaii islands, in the Pacific Ocean are shield volcanoes.

太平洋夏威夷群岛的火山是盾状火山。

Actually, Volcanoes aren't that sneaky and this type of destruction is very unlikely.

事实上，火山并没有那么可怕，这种类型的破坏是不太可能发生的。

One of the most interesting features on the surface is, in fact, the shield volcanoes.

地球表面最有趣的特征之一就是盾状火山。

Space-probe photographs indicate the existence of giant volcanoes on the Martian surface.

太空探测照片显示火星表面存在巨大的火山。

So while on Earth we have several types of volcanoes, on Venus there's mostly the one type.

所以地球上的火山有好几种类型，而在金星上的火山只有一种。

Living at the foot of one of the world's most active volcanoes might not appeal to you at all.

在世界上最活跃的火山脚下生活可能对你没有任何吸引力。

Instead, they are shield volcanoes—volcanoes with broad, sloping slides formed by molten rock.

相反，它们是盾状火山——由熔融岩石形成的宽而倾斜的滑坡。

Under the water, volcanoes continued to erupt, sending up magma and forming mountains of basalt.

在水下，火山依旧持续喷发，向上喷射岩浆并形成了一座座玄武岩山峰。

Shield volcanoes formed when magma comes out of the ground in the same spot over and over again.

当岩浆一次又一次地在同一地点从地下涌出时，就形成了盾状火山。

Instead, they are shield volcanoes — volcanoes with broad, sloping slides formed by molten rock.

相反，它们是盾状火山——由熔岩形成的宽而倾斜的滑梯。

The great height of Martian volcanoes is a direct consequence of the planet's low surface gravity.

地球表面低重力直接导致了火星上火山的巨大高度。

With a hiss of steam, lava flows into the Pacific Ocean in Hawaii Volcanoes National Park, Hawaii.

冒着嘶嘶作响的蒸汽，熔岩流入夏威夷火山国家公园的太平洋水域。

Radar can be blinded by bad weather, and not all volcanoes are within range of suitable equipment.

恶劣的天气会蒙蔽雷达，且并不是所有的火山都在合适的设备范围内。

Few volcanoes in the world have an eruption history so thoroughly documented by historical records.

世界上很少火山有详细记录的的火山爆发史。

Three very large volcanoes are found on the Tharsis bulge, an enormous geologic area near Mars's equator.

在塔尔西斯高原上发现了三座非常大的火山。塔尔西斯高原是火星赤道附近一片广阔的地质区域。

Altogether there are some ten thousand of these volcanoes on Earth, all but a few hundred of them extinct.

地球上总共有大约一万个这样的火山，其中只有几百个是死火山。

They are called shield volcanoes, because viewed from above, they kind of resemble shields, like a warrior's shield.

它们被称为盾形火山，因为从上方俯瞰，它们有点像盾，就像战士所持的那种盾。

All four show distinctive lava channels and other flow features similar to those found on shield volcanoes on Earth.

这四个地方都有独特的熔岩通道和其他类似地球上盾状火山的流动特征。