Keep it up, Damon. The more energy you expend, the faster you'll go.

继续，Damon。耗费越多的，气数耗尽的越快。

The majority of the men earn their living by manual labor.

大多数人靠他们的谋生。

A deep voice is associated with high testosterone, physical strength and aggression.

低沉嗓音与高睾、以及自身的攻击性有关。

With increasing urbanisation people are no longer doing jobs that involve as much physical activity.

随着城市化的不断推进，人们不再从事涉及大量的工作。

The vigor of a person's body lessens as he grows old.

人的随着年龄的增长而衰退。

It's really shocking that so many athletes today have taken dopes to be more energetic.

为了有更充沛的，那么多的运员都服用兴奋剂，真是令人震惊。

Which player is flagging and needs to be substituted?

哪位球员的正在耗尽并需要被替换？

It will take some time to eliminate the difference between manual and mental labor.

要消除脑和的差别还需要相当一段时日。

You're lazy because you don't have the physical or mental energy to be productive.

你懒惰是因为你没有足够的和精去工作。

52. What does the author say is one possible benefit of students attending school physically?

52. 作者说学生亲行去上学的一个可能的好处是什么？

Modern living is not so demanding physically.

现代生活对的要求不是很高。

Because of this, the person's physical strength usually determines who the victor will be.

正因为如此，这个人的通常决定了谁会是胜利者。

It is a chance to show off amazing physical strength and skill.

这是一个展示惊人的和技能的机会。

Long days of manual labor, not enough food, and crowded sleeping arrangements are the norm.

长时间的，不足的食物以及拥挤的休息场所令其声名狼藉。

'Quite sure you're strong enough for this sort of life?

“你确信你有足够的过这种生活吗？

Fixing that involved a great deal of manual labour.

要解决这个问题，需要大量的。

It definitely took a lot of elbow grease to have a job done.

完成这项工作确实需要大量的。

He added that automation might make people less responsible for heavy or repetitive physical work.

他补充说，自化可能会让人们更少地承担繁重或重复性的工作。

Traveling upriver exhausts them so much, they can not make the return journey.

逆流而上的旅程耗尽了它们的，因此它们无法再踏上归程。

Yeah, well, he's gonna need all of his energy for our big hike tomorrow, right?

他需要恢复 为明日的徒步旅行储备能量 对吧？