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Vent may refer to: ==Geology and biology== *Hydrothermal vent, a fissure in a planet's surface from which geothermally heated water issues *Volcano, a point where magma emerges from the Earth's surface and becomes lava *Cloaca region of an animal 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Vent」の詳細全文を読む スポンサード リンク
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