这项研究时长超过数十年。

The study was conducted over a period of decades.

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时速每小时超过数英里。

You go at more than miles per hour!

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因为只有超过数年的定期使用才会造成危险。

Only regular use over many years is cause for alarm.

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一名驾驶员和一个乘客死亡，超过数十人受伤。

A pilot and a passenger were killed. More than a dozen others were hurt.

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你知道紫锥菊已经在传统应用超过数个世纪吗？

Did you know that Echinacea has been traditionally used for centuries?

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你知道紫锥菊已经在传统应用超过数个世纪吗？

Did you know that Echinacea has been traditionally used for centuries?

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