根据大多数计算结果，竞走者以每小时6英里的速度前进时，每小时会燃烧大约800卡路里，尽管比跑步时燃烧的热量要少，但这大约是他们走路时燃烧热量的两倍，跑步时每小时可能会燃烧大约1000卡路里或更多。

According to most calculations, race walkers moving at a pace of six miles per hour would burn about 800 calories per hour, which is approximately twice as many as they would burn walking, although fewer than running, which would probably burn about 1,000 or more calories per hour.

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首先她给一个电话服务中心打电话，这个服务中心提供电子报纸诵读服务，她以300词每分钟，接近日常语速两倍的速度，听阅《华尔街日报》。

She calls a phone service that reads newspapers aloud in a synthetic voice, and she listens to The Wall Street Journal at 300 words a minute, which is nearly twice the average pace of speech.

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去年，这一州的经济以6.3%的速度增长，几乎是国家增长率的两倍。

Last year the state's economy grew by 6.3%, almost double the national rate.

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