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.

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。

youdao

In fact, they have 2,000 of them, twice as many as the rat.

实际上，它们有2000个这样的基因，是老鼠的两倍。

youdao

Cantonese has 59 vowel sounds, twice as many as Mandarin's 23.

粤语有59个元音，普通话23个，前者是后者的两倍多。

youdao

There were twice as many students taking part as last year.

VOA: special.2009.09.04

There were almost twice as many mouths to feed - but no extra food to feed them.

VOA: standard.2010.03.30

The first trawl is disappointing. They have only a dozen lobsters for twice as many traps.

VOA: standard.2010.07.20

The ratio is typically more than twice as many bids as there are securities available.

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In 2007, Predators and Reapers launched 128 missiles and bombs--about twice as many as in 2005.

FORBES: Magazine Article

Twice as many films as Hollywood -- and for a fraction of the cost.

CNN: Financial drama hits Bollywood as accountants go on set