Scientists believe the magma chambers-or reservoirs of molten rock-under dormantvolcanoes are filled with sticky, viscous mush.
科学家们相信休眠火山内部的岩浆库,也就是熔岩的储藏所,充满了粘稠的熔浆。
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Other volcanoes that have not erupted for thousands of years, but show signs that they may erupt again, are called sleeping, or dormantvolcanoes.
其他那些几千年没有喷发,但有迹象可能再次喷发的火山,叫静火山。
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Scientists have improved capabilities for predicting some volcanic eruptions, but only if they know which mountains to monitor. Long-dormantvolcanoes can awaken unexpectedly to wreak havoc.