英译汉帮个忙rock layers which have remained undisturbed since the cretaceous era could be examined to see if they show any sign of the effects of very large amounts of acid rain on metal which do not dissolve in water such as iron and lead

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英译汉帮个忙rock layers which have remained undisturbed since the cretaceous era could be examined to see if they show any sign of the effects of very large amounts of acid rain on metal which do not dissolve in water such as iron and lead

英译汉帮个忙rock layers which have remained undisturbed since the cretaceous era could be examined to see if they show any sign of the effects of very large amounts of acid rain on metal which do not dissolve in water such as iron and lead
英译汉帮个忙
rock layers which have remained undisturbed since the cretaceous era could be examined to see if they show any sign of the effects of very large amounts of acid rain on metal which do not dissolve in water such as iron and lead

英译汉帮个忙rock layers which have remained undisturbed since the cretaceous era could be examined to see if they show any sign of the effects of very large amounts of acid rain on metal which do not dissolve in water such as iron and lead
我们可以检查从白垩纪保留至今未被损坏的岩层,来鉴定他们是否能给出大量酸雨对金属产生影响的证据——这些金属不溶于水（如铁、铅）

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