| 释义 | 
		Definition of lava tube in English: lava tube(also lava tunnel) noun A natural tunnel within a solidified lava flow, formerly occupied by flowing molten lava.  Example sentencesExamples -  As the lava flows onwards, this skin is left behind as a lava tunnel.
 -  We spend a few minutes inside a lava tube, in the pitch dark, listening to a primal silence.
 -  It could be the entrance to an old lava tube similar to those found in Hawaii.
 -  In 1996, the Italian army proved this by detonating 15,000 pounds of mining explosives to successfully block a lava tube leading from Mount Etna and threatening villages below.
 -  Channeled through a lava tube, the sea can roar and blow its spray as high as 50 feet.
 -  Another way to protect a lunar base from radiation is to put it underground in a lava tube.
 
    Definition of lava tube in US English: lava tubenoun A natural tunnel within a solidified lava flow, formerly occupied by flowing molten lava.  Example sentencesExamples -  We spend a few minutes inside a lava tube, in the pitch dark, listening to a primal silence.
 -  It could be the entrance to an old lava tube similar to those found in Hawaii.
 -  In 1996, the Italian army proved this by detonating 15,000 pounds of mining explosives to successfully block a lava tube leading from Mount Etna and threatening villages below.
 -  Channeled through a lava tube, the sea can roar and blow its spray as high as 50 feet.
 -  As the lava flows onwards, this skin is left behind as a lava tunnel.
 -  Another way to protect a lunar base from radiation is to put it underground in a lava tube.
 
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