But the scientific evidence increasingly suggests that we have unwittingly invented an artificial way to accelerate the evolution of these deadly viruses - and pump them out across the world.

但是，越来越多的科学证据表明，我们已无意间发明了一种人工方式，加快这些致命病毒的进化速度，并把这些病毒传到世界各地。

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ONE way of helping to reduce emissions of carbon dioxide into the atmosphere is to pump the gas into underground caverns or old oil fields.

把二氧化碳泵入到洞穴或者旧油井中是减少其排放到大气中方法之一。

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There is, though, another way to recharge a flow battery: pump out the discharged electrolyte and replace it with a solution that has been recharged elsewhere.

另外，还有一种方法可以使流体电池重新充电：将释放电量的电解质溶液抽空，然后重新充入溶液。

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Another is to find a way to pump the nanocrystals electrically, rather than with an external laser.

ECONOMIST: Optoelectronics

By and large, digital books and readers have given people a new and convenient way to pump more knowledge into their craniums.

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After all, it is an easy way to pump-up production.

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