The explosion cracks the earth's surface and scatters ash and huge chunks of rock for many kilometers around the vent.
这样的爆炸把地表炸开以后，其火山灰和巨大石块可散落到火山口周围好几公里远的地方。
The initial explosion, we now know, involved hydrogen gas that had been leaking into the trench from a large hole in the vent pipe.
我们现在已经知道，初始爆炸是氢气泄漏到管道沟导致的。
The initial explosion, we now know, involved hydrogen gas that had been leaking into the trench from a large hole in the vent pipe.
我们现在已经知道，初始爆炸是氢气泄漏到管道沟导致的。
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