地震学家说还会有这样的大地震随时袭击。

Seismologists had said another such quake could strike the city any time.

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事实上，地震学家说，预测地震何时何地发生几乎是不可能的。

In fact, seismologists say, it is nearly impossible to predict when and where an earthquake will strike.

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而地震学家也推理说较高的潮汐相对于正常的潮汐来说只是会让地震提前几天或者几小时发生而已。

Seismologists theorize that the higher tide could cause an earthquake to occur just a few days or hours earlier than it would have at normal tide.

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