题目内容
9. When a volcano begins to erupt and the lava flows,everything in its path is buried (在熔化的岩石下面) .
9. under the molten rock

练习册系列答案
相关题目
题目内容
9. When a volcano begins to erupt and the lava flows,everything in its path is buried (在熔化的岩石下面) .
9. under the molten rock