The force, as this weight drops is constant, mgh and so the work is just going to be m g h, h where this is h.

当重物掉落时候的力是恒定的，因此做功就是，这段长度是。

麻省理工公开课 - 热力学与动力学课程节选

This normal weight animal like this has its whole equilibrium thrown off, its homeostasis thrown off when its dietary conditions change.

在饮食条件发生变化时,这些正常体重动物的生理平衡被打破,于是摈弃了原来的平衡饮食

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

But this policy of giving greater weight, if you show improvement, is something that most of you will benefit from.

但整个方针是进步处占更大比重，如果你表现进步的话，你们中的大多数会从中获益。

耶鲁公开课 - 死亡课程节选

now I'm really fantastic at drawing this mechanical device, but you can imagine that dropping a weight can cause a paddle wheel to turn.

机械装置的时候,我真的很着迷，你可以想象,当重物掉落的时候会带动桨轮旋转。

麻省理工公开课 - 热力学与动力学课程节选

This densely tangled thicket of clustered consonants in this amazing couplet is a signal to us of the weight, of the import, of this terrible event.

这个密集杂乱的灌木丛,在这个对句中，弥尔顿给我们传递出一个信号，在这个可怕的事件中。

耶鲁公开课 - 弥尔顿课程节选

This would be an average adult male, 30 years old, the average height and weight, and surface area and temperature, and lots of characteristics of an average person.

包括普通成年男性,三十岁,平均身高和体重,平均表面积和体温,还有许多其他数据

耶鲁公开课 - 生物医学工程探索课程节选

This is the weight still available.

这是剩下的重量。

麻省理工公开课 - 计算机科学及编程导论课程节选

This is a normal weight laboratory rat given much more than it would-- could necessarily eat of standard laboratory food.

这是一只体重正常的实验鼠,如果我们给它标准的实验室饲料,即使食物分量超出了它的食量

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Each of you probably know, some of you may be in this category yourself, people who can eat like crazy and still not gain weight.

你们每个人可能都知道,你们中有些人是那种,怎么吃都不会发胖的人

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Milton places an enormous amount of weight on this distinction.

弥尔顿对这个不同大加描述。

耶鲁公开课 - 弥尔顿课程节选

We think a lot about weight in this country, but weight is a remarkably carefully controlled parameter of a person, that is, you have to work pretty hard to gain weight or to lose weight.

我们身在一个特别关注体重的国家,然而体重是一个,需要小心地控制地人体指标,这就是说,你必须付出相当多的努力,才能增加或减少体重

耶鲁公开课 - 生物医学工程探索课程节选

So how would we go about solving this problem if I told you not only was there a maximum weight, but there was a maximum volume. Well, we want to go back and attack it exactly the way we attacked it the first time, which was write some mathematical formulas.

有些时候两个都重要,所以如果我告诉你这里不仅有,最大重量还有最大容量，我们应该怎么解决这个问题呢？,好了，我们想回过来然后,和第一次一样看看这个问题。

麻省理工公开课 - 计算机科学及编程导论课程节选

As we'll discuss in the class, and most of you probably know this, your body weight is a function of how many calories you take in and how many calories you burn off through metabolic processes but also physical activity.

我们将会讲到,而且你们中的大部分人可能也知道,你的体重随着卡路里的摄取量,和代谢中的消耗量而变化,还跟肢体活动有关

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Some people can fight the brain off in this case, and control their food intake, maintain a healthy diet, and maintain a normal weight, but the number of such people in the population is shrinking by the day.

有些人可以抵制大脑的控制,控制食物的摄入量,维持健康饮食 保持正常体重,而今,这类人的数量日益减少

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Let me ask another question, if you give this-- and we'll talk about this in a later lecture, but if you give this diet to laboratory animal-- rats, mice, whatever-- it's very common for animals to gain a good bit of weight when given access to this diet.

我们来看另一个问题,如果你给,我们将在以后的课上讨论这个话题,但如果你给实验室动物,像小白鼠之类的,给予某种类型的饮食,这种饮食习惯会使得体重增加

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

But also you'd think that if there was a group of people that really had been attending the calories it would be this group, because very few people who come in for weight loss are doing it for the first time, so almost everybody has been on lots of different dietary attempts and somewhere along the line they've been doing calories.

想一想,如果世界上还有一群人,真正关注卡路里的话,那就是肥胖人群,因为那些参加减肥项目的人中,很少有人是第一次参加,几乎人人都进行过多次不同的饮食控制,他们也尝试过计算卡路里减肥

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

There's the Diet Code, this is the weight loss secrets of Leonardo Da Vinci, and you probably didn't know this, but see?

还有减肥密码,这是达芬奇的减肥秘诀,你可能并不知道这个,我们来看看

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Now in this particular case, these animals will not overeat on the healthy balanced food and won't gain excess weight, they'll maintain a normal weight.

在这种情况下,它们并不会吃过量的健康食品,因此不会变胖,所以一直保持着标准的体重

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

In this particular study, we took thirty people who enter in a weight loss clinic and we had them estimate the calories in these sort of common foods.

在这个实验中,三十人进入了一家减肥专科门诊,让他们估计一些普通食物中的卡路里

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

If you look at increasing weight as you go from left to right on this axis, lean people, overweight people, and obese people, the risk goes way up for death from cardiovascular diseases.

从X轴左边到右边,随着体重不断上升,精瘦的,超重的,以及肥胖人群,心血管疾病的致死风险也随之增加

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

In this case, death from heart disease and what you see here, and I'll tell you what relative risk is in just a minute, but this is basically risk for disease over on this axis and here its weight.

在这幅图里是心脏病致死的,我会简短地介绍一下相对风险的定义,Y轴表示患病风险,X轴表示体重

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选