It is thought exercise keeps vision sharp by keeping key blood vessels in the eye healthy into old age.
一般认为，运动可保持眼睛血管健康直到老，从而使视力敏锐。
As a thought exercise, co-evolution has been around for less than a decade, or as much as 30 years, depending on who you ask.
作为一种思潮，联合进化理论已经出现了至少十年，或者将近30年——这基于你向谁提出这个问题。
So, let's -- okay, so, why don't you all think about would happen -- we'll start with the thought exercise. You can switch back to my lecture notes then if this isn't going.
好吧，那你们想想会，发生什么，我们来想想，这个问题，如果那个不行的话，你可以转到我的讲义上来了。
After two weeks, she wanted to give up running because she thought the two-week exercise didn't work at all.
两周后，她想放弃跑步，因为她认为两周的锻炼根本不起作用。
Researchers say it may take far less exercise than people had thought to lower the risk of heart disease especially for the highest risk group, middle-aged men.
研究人员表示，想要减低罹患心脏病的机率，并不像一般人所认为的要做许多运动，尤其是针对高危险群的中年男人而言。
Exercise has many benefits, but you might not have thought it could help protect against skin cancer.
积极锻炼身体好处多多，但是你可能从来没想过，锻炼身体还能有助于人们减少患皮肤癌的危险。
So you've done what you thought was the hard part: you started a regular exercise routine to get fit and healthy.
你做了你认为困难的事情：你开始日常锻炼进行健身和保持健康。
If you don't feel uplifted at the thought of focusing on your goals, you might as well not do the exercise today.
如果你在专注目标时并不感到兴奋，就干脆改天再进行练习。
Lloyd Bentsen thought the whole exercise was silly and went back to his cabin; if there was something about him the rest of us didn't know, it was intentional.
劳埃德·本特森觉得这种做法很傻，回到自己的木屋去了，如果他有什么情况我们剩下的人不知道，那是他故意不想让人知道的。
"Whenever nitric oxide levels are high — from anything ranging from positive thought to exercise — you're actually improving your resistance to disease," she says.
“无论何时从积极态度到锻炼中使一氧化氮水平高，实际上你正在增强抵御疾病的能力。”她说。
Now that the weather is warming up, I thought I get some exercise instead of taking the bus all the time.
现在天气暖起来了，我想我也该运动运动，不要天天坐公车了。
So, far from being lazy when they baulk at the thought of exercise, the overweight are simply being seeing the world differently.
因此，胖子们或许并不是由于懒而不愿运动，而是由于世界在他们眼中的样子的确不同于其别人。
Aerobic exercise triggers the release of pleasure-inducing neurotransmitters in the brain, and its duration can be a lot longer than anyone previously thought.
有氧运动能触发大脑中产生快乐的神经传递素的释放，而且这种效果的持久性要比以往任何人想象的都要长。
Wait until after 10:10, I thought, there is no physical education, the whole winter, do not exercise, my weight would be like Hurricane!
等到10：10过后，我在思考，没有体育课，整个冬天不运动，可想我的体重会狂飙！
"Each step in the exercise chain is a distraction from the primitive, fearful thought center," Goeway explains.
演习链中的每一个步骤，都是对原始的恐惧的注意力转移。
I heard about belly dance classes in Birkirkara led by a Canadian teacher, and I thought it would be an ideal way to exercise and have some fun at the same time.
我听说在比尔基卡拉，有一位加拿大老师开设了肚皮舞班。我想这是个兼顾运动和娱乐的理想途径。
Ancient people thought climbing a mountain on this day could help them avoid misfortune and prevent disasters, and it gradually evolved into a custom for relaxation, hike and exercise.
古人认为，九九重阳，登高可以避祸免灾。 后来，重阳节登高爬山，逐渐演变成了人们放松心情、锻炼身体的体育和旅游活动。
Whether you're just a few pounds overweight or seriously obese, the thought of exercise can be terrifying.
不论你只超重几磅还是过度肥胖，一想到运动你就头疼。
This exercise is a way to cut into the flow of everyday discursive thought and connect instead with the mind of peace, which is always attuned to the largest possible reality.
这样的练习是一种划破日常干扰思维流；接入内心平静的方法。而它往往是和最大可能地现实相吻合。
While creatine is not an approved therapy for PD or any other condition, it is widely thought to improve exercise performance.
虽然在任何条件下肌酸都不被大家认可的治疗药物，但是当前普遍认为肌酸可以改善运动能力。
The action of muscles pulling on bones during exercise is thought to produce "healthy" strain on the skeleton that stimulates the production of new bone, the investigators note.
调查者表示运动时肌肉牵拉骨骼的动作被认为是引起骨骼产生“健康”劳损，刺激新骨的生长。
The mental benefits are less clear, although exercise is thought to improve blood flow and reduce inflammation, which have been related to depression and dementia.
然而，精神好处却不那么明显，虽然人们认为锻炼能提高血液流动减少肝火。这些都和抑郁及痴呆有关。
So, far from being lazy when they baulk at the thought of exercise, the overweight are simply being seeing the world differently.
因此，胖子们或许并不是因为懒而不愿运动，而是因为世界在他们眼中的样子的确不同于其他人。
His father would refuse to drive him to soccer practice because he thought using a car to travel somewhere to exercise was ridiculous.
他的父亲拒绝开车送他去足球场练习足球，因为他认为使用汽车旅行会污染环境。
Mr Obama says he chose Kagan in part because she understands that law is not an intellectual exercise, a thought echoed by Kagan.
奥巴马说，他之所以选择卡根，部分是因为她懂得法律不是智力较量，卡根赞同这一看法。
Then I thought I should take up some forms of exercise, such as walking, running rowing, to keep me physically strong.
其次，我会锻炼身体；比如，走走路啊，跑步啥的，这样我的身体会更加强壮。
The picture is thought-provoking in that it endeavors to convince its audience that we can actually exercise anywhere, as long as we have the awareness of preserving health by exercise.
这幅图非常发人深思，它使人们相信我们其实可以在任何地方运动，只要我们有通过运动来保持健康的意识。
The picture is thought-provoking in that it endeavors to convince its audience that we can actually exercise anywhere, as long as we have the awareness of preserving health by exercise.
这幅图非常发人深思，它使人们相信我们其实可以在任何地方运动，只要我们有通过运动来保持健康的意识。
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