We must try to minimize environmental degradation.

们必需努力将环境退化最小化。

As there's evidence that the brain's ability to make subtle distinctions between different chords, rhythms, and melodies deteriorates with age.

因为有证据表明，大脑区分不同和弦、节奏、旋律之间细微差别的能力随着年龄的增长而退化。

It doesn't have any slashing ability. It's basically a vestigial arm.

它的前肢没有挥砍能力。基本上是退化残留。

They've accused him of degrading America's politics and harming its reputation abroad.

他们指控特朗普让美国政治退化，还损害了美国的国际声誉。

It was recognized for its work in fostering sustainable development by regenerating degraded pasturelands.

该公司将退化牧场再生，促进了可持续发展，因此而受到赞扬。

And I thought to myself that as a teacher, I knew that a student could dramatically improve in a very quick amount of time, but I never thought that a student could dramatically regress.

想，作为一，知道一个学生可以在很的时间内有显著的提高，但想过学生能如此戏剧性地退化。

UN Secretary-General Ban Ki-moon said in a speech that " land degradation affects a significant portion of the Earth's arable lands, directly impacting the well-being of people and economic development of countries" .

联合国秘书长潘基文在演讲中表示，土地退化影响了大面积可耕土地，直接对人类生存，全球经济发展构成影响。”

Hale will be working to make the rest of the forest as healthy as possible, restoring some degraded areas and thinning out some denser parts to let other trees thrive.

Hale将努力使森林的其余部分尽可能保持正常，恢复一些森林退化区，并使一些密集区变得稀疏一些，以便让其他树木茁壮成长。

So, it focuses on us. And these big problems, they're global in scope: climate change, habitat destruction and deterioration.

所以它主要介绍的是们人类。这些大问题涉及全球范围：气候变化、栖息地破坏和退化。

As the climate heated up, the forests receded, and humans ventured out into the savanna.

随着气候变暖，森林退化，人类铤而走险，进入热带草原。

Looking down on us poor degenerates, pretending you wanted to help when all you really wanted was to feel superior.

俯视们可怜的退化，假装想要帮助们，而你们真正要的只是想要高人一等。

Coral Vida grows coral fragments on the land-based farm in the Caribbean where the company says it can develop faster than in the ocean and replants them onto degraded reefs.

Coral Vida在加勒比海的陆基农场种植珊瑚碎片，该公司表示，这片农场和海洋相比，可以让这些珊瑚碎片获得更快的生长，并能将它们移植到退化的珊瑚礁上。

Every year nearly 30 million acres of fertile soil degrades into unusable desert land.

每年有近3000万英亩肥沃的土地退化为无法利用的沙漠。

Let's assume that Atlantis really existed in this place, and it wasn't a flood that destroyed it but for example, an earthquake, or it was conquered, or it slowly deteriorated due to natural causes.

让们假设亚特兰蒂斯真的存在于这个地方，摧毁它的不是洪水，而是地震，或者它被征服，或者它由于自然原因慢慢退化。

You see, 20th Century industry was degenerative by design.

你看，20 世纪的工业在设计上是退化的。

With degrading soils all over the world, there is absolutely no question that the governments of the world have focused on climate change far more than they focus on loss of biodiversity or land degradation.

随着世界各地土壤的退化，毫无疑问各国政府对气候变化的关注远远超过其对生物多样性丧失或土地退化的关注。

Storing information is an important function of our brains and scientists are always looking at ways to improve it but also to stop it deteriorating, or becoming worse.

储存信息是们大脑很重要的一项功能，并且科学家们一直在研究改善它的方法，还有防止它退化，或者说变得更糟，的方法。

It might be that depression does not worsen synaptic weakening.

抑郁症可能不会加剧突触退化。

There are several other vestigial structures like the plica semilunaris in the human body.

人体中还有其它的退化结构，例如半月形褶皱。

The World Health Organization (WHO) defines dementia as an illness marked by a decline in a person's ability to think, reason and understand " beyond what might be expected from normal aging" .

世界卫生组织（WHO）将痴呆症定义为一种疾病，其特征是患者的思考、推理和理解能力以" 超出正常老化" 的速度退化。