熔岩穹丘
rónɡ yán qiónɡ qiū
- lava dome
熔岩穹丘-
我们需要的是在云层之下的这个熔岩穹丘的详细图像，从而检查小的特征并弄清在爆发前后发生了什么变化。
What we needed was detailed images of the lava dome beneath the cloud , to examine small features and tell what changes had occurred during and after the explosion .
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在其他地区，有火山、轮廓清晰的山谷、陨石坑、熔岩穹丘。
In other areas , you 've got canyons , ripped valleys , meteo craters , uh , lava domes .
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在这场爆发之前的数年中，形成了数百米高的熔岩穹丘。
In the years running up to the explosion a large dome of lava a few hundred metres across had grown .