名词
中文翻译：熔岩管
同义词：
['fissure', 'fissure tube', 'lava tube cavern']
例句：
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1.The lava tube is a natural wonder that can be seen in many volcanic regions.
熔岩管是一种自然奇观，可以在许多火山地区看到。
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2. The lava tube was formed by the flow of molten rock underground.
熔岩管是由地下流动的熔岩形成的。
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3. Scientists have long been fascinated by the mysterious lava tubes found in the earth's crust.
科学家们长期以来一直对在地壳中发现的神秘熔岩管感到着迷。