N-UNCOUNT Magma is molten rock that is formed in very hot conditions inside the earth. 岩浆 [技术]
The volcano threw new showers of magma and ash into the air.
这座火山向空气中喷发了新的岩浆和火山灰。
Prior to 1960, geologists Bowen and Hess disagreed over whether or not the very high temperatures needed to produce magmas rich in magnesium could have existed on Earth.
在1960年之前，地质学家鲍温和赫斯在地球上是否存在产生富含镁的岩浆所需的高温这一问题上存在分歧。
How does Etna produce its fiery mix of magmas?
埃特纳如何制造出它炙热的混合岩浆呢？
Normally, he said, volcanologists have to do "postmortem studies" of long-solidified magmas or study active lava.
据马施的经验，一般情况下，火山学家只能就凝结成岩的岩浆做一些“马后炮”的工作，或者在火山喷发的时候以熔岩为研究材料。
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