Once the body knows how to run fast, at slower speeds, there is less effort required resulting in reduced energy expenditure which will assist in saving energy for the latter stages of any event.

一旦你的身体知道如何快速跑，那在较低的速度下你需要的能量就更少，这样就减少了能量消耗，为后续阶段的跑步储存了能量。

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Everyone knows the importance of exercising the body but few people realize the voice needs exercise too.

每个人都知道锻炼身体的重要但很少人理解你的嗓子也需要锻炼。

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The body embodies abstractions the best way it knows how: physically.

身体用它知道的最好的方式：身体力行的体现抽象。

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He says it is true that such crops can have higher output with less cost,but added: No one knows the consequences that will have on soil fertility and the human body.

VOA: special.2010.05.18

This intensely intimate focus on the human body is out of place in a Christian elegy and this, of course, Milton knows.

这对人类肉体的极端关注在一首基督教悼亡诗中,是不合时宜的，弥尔顿当然知道这点。

耶鲁公开课 - 弥尔顿课程节选

"If the body knows how to do this for the trachea, maybe it knows how to do this for other organs, too, " said David Green, president of Harvard Bioscience Inc.

WSJ: Scientists Implant Lab-Made Trachea Into Toddler

That will be music to the ears of her coach Mick Woods, who works with Twell at UK Athletics' (UKA) endurance centre at St Mary's University in Twickenham, and it will delight the governing body, which knows how important 2009 is for the sport after a mixed showing in Beijing.

BBC: 'New Paula' targets gold in 2012

This is the mathematical afterthought to the main body of the Standard Model, and nobody knows for sure whether it actually exists.

ECONOMIST: Particle physics makes sense, but it assumes too much