By contrast, the Japanese in the Pacific theatre, faced with overwhelming American artillery and airpower, heavily fortified many of their islands with chains of deeply dug caves and bunkers.
相反的是，太平洋战场上的日军面对美军占绝对优势的火炮和空优，利用挖掘链式深坑极大地强化了许多岛屿的防御力。
Eruptions have rifted continents, raised mountain chains, constructed islands and shaped the topography of the earth.
火山喷发撕裂了大陆，形成了山脉，造就了岛屿，塑造了地球的地形特征。
Eruptions have rifted continents, raised mountain chains, constructed islands and shaped the topography of the earth.
火山喷发撕裂了大陆，形成了山脉，造就了岛屿，塑造了地球的地形特征。
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