If you give up exercise, your muscles shrink and fat increases. By the same token, if you expend more energy you will lose fat.
如果你放弃锻炼，肌肉就会萎缩，脂肪会增多。同样地，如果你消耗较多的体能，你就会减掉脂肪。
Extreme athletes expend lots of energy breaking down and repairing and building muscles.
极限运动员消耗大量能量来分解、修复和塑造肌肉。
Since 1914, scientists have known that birds flying in formation—a V-shape—expend less energy.
自1914年以来，科学家们已经知道，以V字形队形飞行的鸟类消耗的能量更少。
This is because of all the energy they expend to make the equipment to catch animals—the enzymes, the pumps, and so on.
这是因为他们为制造捕获动物的设备而花费的所有能量——酶、泵等。
Why does their behavior indicate more of a concern with how much energy they expend than with being exposed to predators?
为什么它们的行为表明它们更关心的是消耗多少能量而不是担心暴露在捕食者面前呢？
I think it is safe to say that very few students expend the effort to do quality work in school.
我认为有把握这么说，几乎没有学生能在学校用心读书。
For example, birds may expend more of their reserves on thermoregulation if they spend the night exposed to the wind on a song post than if they are in a sheltered roost site.
例如，与在有遮挡的栖息地的鸟类相比，如果鸟类在风中露宿一晚，它们可能会更多地利用体温调节。
Analyze risks to decide where to expend test effort.
分析风险，决定测试的重点。
In this case, the executive branch makes a decision to expend funds.
在本例中，主管部门作出资金消费决策。
"It's basic physiology," Loria says. "Eat fewer calories than you expend."
Loria说，那是基础生理学的，摄入少点热量，不要摄入比你消耗的多！
To produce and sustain this growth, they must expend vast amounts of energy.
为了制造和维持这种增长，人们必须要消耗巨大的能量。
That occurs when they take in more energy than they expend. The unused energy is stored as fat.
这种情况发生在他们吸收的能量多余消耗的能量时，未消耗的能量就以脂肪的形式被储存下来。
Yet it’s rare that developing traders focus any attention or expend any effort to learn it.
然而用心或努力学习它的交易者很少。
A speech recognition system must expend significant processing to turn your speech into text.
语音识别系统必须付出大量的处理把您的语音转为文本。
The basic formula for weight loss is simple and widely known: consume fewer calories than you expend.
减肥最基本的准则非常简单，而且广为人知：少摄取卡路里，多消耗卡路里。
More often than not the energy they expend on seeming impressive makes their actual performance worse.
通常他们花费在着装上的精力使得他们的工作更加糟糕。
Why would individuals expend time and energy in activities that fail to increase reproductive success?
个体为什么要耗费时间和精力，去从事无法提高种群繁殖率的事情？
The long tail becomes even more obvious when you expend the scope to show the top 1, 000 websites
当你把观察的范围拓展至全球排名前1000的网站时，长长的“尾巴”甚至更明显了
These technologies have shifted the amount of energy that people expend in doing their daily business.
这些技术替换了人们用于每日劳作的能量。
It's about how you choose to expend your precious energy and with whom you choose to share that experience.
这关乎你如何消耗自己珍贵的能量以及你选择了什么样的人来分享这种美好的时光。
Cars must carry their energy and expend energy to carry it so the less weight per unit of energy the better.
汽车必须携带能量而这本身就需要消耗能量，因此单位能量的重量越低越好。
Cars must carry their energy and expend energy to carry it, so the less weight per unit of energy, the better.
汽车必须携带能量而这本身就需要消耗能量，因此单位能量的重量越低越好。
Defensive pessimists expect the worst and expend lots of energy mentally rehearsing how things might go wrong.
防御性悲观主义者会把事情往最坏的地方想，并且他们会花费很多精力想象事情会怎样变得糟糕起来。
Likewise, teams often expend inordinate amounts of time maintaining and fussing over their script-driven build systems.
同样，团队经常花费过多的时间来维护并过分小心地对待他们的脚本驱动的构建系统。
It has been said that most people expend more effort researching their next vacation than they do planning their future.
众所周知，大部分人花费更多精力努力去考虑他们下一次的度假，而不是规划他们的未来。
Put slightly differently, hexagonal cells allow bees to focus on producing honey and expend the least amount of energy making wax.
或者稍微换种说法，六边形的空间使蜜蜂能够把精力放到产蜜上，并且花费最少能量制蜡。
Expend a lot of energy running down a zebra because, once it is caught, the calories contained in the meal far outweigh those.
一头狮子可以耗掉大量的体力去追捕一匹斑马，那是因为一旦抓住了那匹斑马，它能摄入的斑马肉里的能量大大超过了他在追捕过程中消耗的能量。
Expend a lot of energy running down a zebra because, once it is caught, the calories contained in the meal far outweigh those.
一头狮子可以耗掉大量的体力去追捕一匹斑马，那是因为一旦抓住了那匹斑马，它能摄入的斑马肉里的能量大大超过了他在追捕过程中消耗的能量。
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