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位于德国西部的莱茵河西岸的丘陵地带，土地贫瘠，有石灰岩泥沼和火口湖。
A hilly region of western Germany west of the Rhine River. The barren area has limestone moors and crater lakes.
youdao
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位于德国西部的莱茵河西岸的丘陵地带，土地贫瘠，有石灰岩泥沼和火口湖。
A hilly region of western Germany west of the Rhine River. The barren area has limestone moors and crater lakes.
youdao