It started out very humbly, two to three runners.

它开始的时候很低调，两到三个赛跑者。

So, runners in a race might accelerate when they see the finish line.

所以，赛跑者看到终点线时可能会加速。

All the runners would begin with their toes on the scratched line.

所有赛跑者开跑时都要把脚尖放起跑线上。

These findings suggest that dogs experience a " runner's high" but ferrets do not.

这些发现表明狗中同样" 赛跑者的亢奋" 现象，而雪貂则没有。

But if the runners start running before the gun goes off, they are jumping the gun.

但如果赛跑者枪声响起前就开始跑，那就是抢跑。

From an evolutionary standpoint this surge of endocannabinoids, and the " runner's high" it creates, make sense.

从进化论的观点来看，人体内endocannabinoids水平的上升及由此而生的" 赛跑者的亢奋" 对人类的发展是有意义的。

In almost no time Henry was far behind most of the other runners.

几乎很快，亨利就远远落后于大多数其他赛跑者。

Only one runner was ahead of Henry now.

现只有一个赛跑者领先于亨利。

Since the 1980s, runner’s high was thought to be caused by chemicals called endorphins.

自 20 世纪 80 年代以来， 赛跑者的快感被认为是由一种叫做内啡肽的化学物质引起的。

Trouble on New York City's East River helped racing out.

纽约东河畔的麻烦促使赛跑者迅速出发。

It was noon when a tired and sweat-covered runner overtook the trudging little column.

中午时分，一个疲惫不堪、满头大汗的赛跑者追上了这支跋涉的小队伍。

The funny cunning runner uses his gum gun before sunrise or after sunset.

滑稽乖巧的赛跑者日出之前或日落之后使用胶皮枪。

The runner sped up in the final lap of the race.

赛跑者最后一圈加快了速度。

They called me the pregnant runner.

他们叫我怀孕的赛跑者。

And he, Andrew, was a good runner.

而他，安德鲁，是一个优秀的赛跑者。

Their legs grew thick, their feet sturdy, and newly developed thigh muscles turned them into formidable runners.

他们的腿变粗了，他们的脚结实了，新长出的大腿肌肉使他们成为令人生畏的赛跑者。

" Heracles! " Julia cried, barely able to see the runners through the still-growing wheat.

“赫拉克勒斯！”茱莉亚哭了起来，透过仍生长的小麦几乎看不到赛跑者。

And he said, and when I was a runner, I started with one other runner at the same time.

他说，当我还是一名赛跑者时，我和另一位赛跑者同时起步。

He had sat with them and watched the runners and the few officials in the center of the ground.

他和他们坐一起， 看赛跑者和场地中央的几位官员。

Julia could barely see a thing through the tall wheat, though she heard confused cries from the arriving runners.

朱莉娅几乎无法透过高高的麦子看到任何东西，尽管她听到了到达的赛跑者发出的困惑的叫喊声。