滚烫的熔岩从火山口流出。
Hot ___lava flows from the volcano's crater.
火山喷发时，炽热的熔岩从山顶流下。
During the eruption, hot ___lava flowed down the mountain.
火山喷发后，地面上覆盖着厚厚的凝固熔岩。
After the volcanic eruption, the ground was covered with thick solidified ___lava.
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