在过去的一个世纪里，人类对淡水的使用以超过人口增长率两倍的速度增长。

Over the past century, human use of fresh water has increased at more than double the rate of population growth.

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在欧元区强国德国，6月工业订单增长了3.2%，超过分析家的预期两倍的速度。

In euro-zone powerhouse Germany, industrial orders jumped by 3.2% in June, more than twice the rate analysts had expected.

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当然，更难看出的是，乒乓获得了两倍的速度，是台球速度的二倍，因为我们并没有做。

Now, of course, it is way harder to see that the ping-pong ball gets twice the speed of the billiard ball, because we don't do...

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Others are a bit uncomfortable with that, They're going twice as fast.

其他人可能对这个结论不太满意,他们会觉得是这个速度的两倍

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