?喷发裂缝
... overlapping fissures 相互叠加列隙 eruption fissures 喷发裂缝 anus fissures 肛裂 ...
喷发裂缝
It allows scientists to study the fissures in the cone of the volcano -- if the fissures are getting hotter, it means an eruption is imminent.
CNN: Keeping track of Etna's pulse
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