The precise effects vary according to whether you engage in short, fast running or long-distance running.
确切的效果取决于你是短程快跑还是长程跑步。
Overall, an increase in the brain's production of endorphines occurs when the body is put under stress such as long distance running, and the endorphines then cause a positive or negative mood change.
总之，身体在紧张感下，比如长距离的奔跑，会增加内啡肽的分泌量。而内啡肽会令人产生情绪的变化，有正面也有负面的情况。
After a few weeks, she told her father, "Daddy, what I'd really love to do is break the world's long-distance running record for women."
在几个星期后，她告诉她父亲，“爸爸，我最想要做的事打破女子长距离赛跑纪录。”
Find a new route, try speed running or long distance running, do intervals, run with or without music.
找一条新的路线，试试快速跑或者长距离跑，间歇跑，听音乐跑或者不听音乐跑。
If you're running regularly and you're training for a long-distance event, proper nutrition is especially critical for your performance.
如果你有规律地跑步，而且你正为了一个长跑项目训练，适当的营养对你的表现非常重要。
Kenya excelled in long distance running events but also took gold and silver in the women's 800 meters.
肯尼亚不仅在长跑项目中表现优异，也在800米赛女子项目中夺得金牌和银牌。
Earlier this year, a group of anthropologists reported that long toes are less energetically economical for long-distance running.
今年早些时候，一些人类学家报道说长的脚趾的长跑中更为浪费精力。
All long distance runners know that the mental challenges of running and racing can be just as difficult, and sometimes even harder, than the physical tests.
所有的长跑选手都知道，跑步或赛跑的心理挑战不亚于、有时甚至于超过其生理挑战。
I am good at long distance running and this is the best pace for me to reach any of my goals.
我很擅长长跑，并且对我来说，这个速度可以让我达到任何目的地。
After a number of long distance flights the two clocks were compared and the one that had been on the plane was running behind the clock that had stayed on the ground.
经过多次远距离的飞行之后再比较两个钟表，结果发现喷气式飞机上的钟表比地面上的钟表跑得慢。
Mr Murakami's slim new work recounts his two decades of habitual long-distance running, and its effect on his mind, body and ability to write.
村上春树先生这部不长的新作，讲述了他坚持了20年的长跑习惯以及这一习惯对他在心灵，身体和写作能力的影响。
Other sports have also been associated with a similar transient increase in S100B, the researchers noted, including boxing, headings in soccer, running and long-distance swimming.
其他的运动也和暂时的s100 B升高相关，包括拳击，足球中的顶球，跑步和长时间的游泳，研究人员指出。
If life began again, my love is still a long distance of the wind and rain, still tireless running? Let us tightly pull stop!
假如生活重新开始，我的爱人依然是一条风雨的长途，依然不知疲倦的奔走？让我们紧紧地拉住手！
Long runs are essential to the training distance runners because they enable the body to adapt to running greater distances safely and efficiently.
长跑对于训练跑步者十分必要，因为它能够使机体适应安全和高效的长距离奔跑。
Secondly, one hour per day exercise, exercise. Rope skipping, shuttlecock, sprint, long-distance running... Let your body become more healthy.
其次，每天运动一小时，锻炼身体。跳绳、踢毽子、短跑、长跑……让自己的身体变得更健康。
Yes, but long distance running is the most demanding.
是的，但是长跑是要求最高的。
The findings showed that outdoor events such as long-distance running, hiking and cycling are enjoying a boom in popularity.
报告还发现，像马拉松长跑、远足、骑行等这样的户外活动越来越多的受到人们的青睐。
The findings showed that outdoor events such as long-distance running, hiking and cycling are enjoying a boom in popularity.
报告还发现，像马拉松长跑、远足、骑行等这样的户外活动越来越开始受到人们的青睐。
After the referee fired his gun, the long-distance running athletes began running.
裁判鸣枪后，参加长跑的运动员们都跑了出去。
We prefer to do mainly sprint and little long distance running in stead of weight training.
我们更愿意用短跑，少量的长跑来代替力量训练。
Up to 50% of competitive long-distance runners (running 80 miles per week) and up to 44% of ballet dancers have amenorrhoea .
高达50 ％的竞争力，长期的长跑运动员（运行80英里，每星期）和多达44 ％的芭蕾舞团舞者闭经。
Distance running involves holding a steady pace for a long period of time.
长跑包括长时间保持稳定配速。
A bad leg ruled him off for long distance running.
他的腿痛使他不能参加长跑。
A bad leg ruled him off for long distance running.
他的腿痛使他不能参加长跑。
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