The Rhine River, which flows past the western edge of the Ruhr Valley, was devoid of marine life.

莱茵河流过鲁尔山谷的西部边界，水生生物无法在里面生长。

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The Rhine River, which flows past the western edge of the Ruhr Valley, was devoid of marine life.

莱茵河流过鲁尔山谷的西部边界，水生生物无法在里面生长。

youdao