A few hundred degrees separates this pool of fiery orange magma in Italy's Mount Etna from its hardened, gray crust.
在意大利的埃特纳火山，几百度的高温将这一池炽热的橙色岩浆与坚硬的灰色地壳分开。
A few hundred degrees separates this pool of fiery orange magma in Italy's Mount Etna from its hardened, gray crust.
在意大利的埃特纳火山，几百度的高温将这一池炽热的橙色岩浆与坚硬的灰色地壳分开。
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