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It's not the best form of food in that they're actually very poor in protein, and unfortunately very, very rich in cyanide.
但木薯的根并不是最好的食物,因为它的蛋白质含量很少，而更不幸的是，它的氰化物含量非常，非常高。
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If you're pure, not only are meats and viands pure , but all kinds of knowledge, whether of good and evil.
如果你纯洁，不只是肉和食物，肉和酒会变得纯洁，所有的只是，无论善恶都会变得纯洁。
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I don't want somebody opening up a clamshell with some hot food in it. It's not right. It's not right.
我不希望任何人打开一罐蛤壳,里面装着热的食物，这不对。
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Previously humans were to be vegetarian: Genesis 1, the portrait was one in which humans and animals did not compete for food, or consume one another.
在《创世纪》1中，早期的人类是素食主义者，描绘了一幅人类和动物,不用争夺食物，不用互相残杀的景象。
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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
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We are hard-wired to say, "Look. If I'm going to eat a new food and I'm going to get nauseous, " I'm going to avoid that food."
我们深信不疑地说，“如果我吃了一种新食物,感到了恶心，我就不会再吃这种食物了“
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Then of course there's sugar itself, and then there's other kinds of sugar in things like fruit.
然后当然包括食物本身含糖,另外还有水果这类食物也含不同种类的糖
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You ignite the food and burn it, and you see how many degrees centigrade the water gets raised, and that's the measure of calories.
点燃食物使其燃烧,然后观察水的温度上升了多少,就测量了这种食物的卡路里
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And as we'll talk about when we get into the politics of foods, what is recommended for you to eat is very heavily influenced by the industry.
就像我们会讲到的食物政治学说的那样,推荐给你的食物,很大程度上是受食品工业影响的
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That's where you're just asked over a period of time, how often you eat this list of foods and you're given a very long list of foods.
正如同你们刚才问的,你多久吃一次这些食物,你有一个很长的食物列表
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The grains in the orange side you're supposed to be eating more of those than what might be a smaller slice of the pie here, or the triangle.
相比在这个图中用小块表示的食物种类,用橘黄色表示的谷物类食物是你该多吃的
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some foods are pretty difficult to deconstruct if they're concoctions of foods.
有些食物很难解构,如果是混合食物
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So if you take an animal and you give it a new food and then you give it a drug to make it nauseous it will avoid that food.
所以，如果你给动物吃一种新食物,然后你喂它某种药物，让其感到恶心,它就会避免进食这种食物。
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What he proposes is that we have become so precise about nutrients, and so concerned about the things that are in food, we've lost sense of what food is.
他认为我们越来越关注营养,关注存在于食物当中的物质,却忽略了食物本身
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They can be on store shelves for a long period of time, and that has to do with the economics of food, especially food available to the poor, which we'll discuss later.
因此可以在商品货架上销售很长一段时间,这也与食物的经济学价值有关,特别这类食物穷人也买得起,这个我们以后会讨论
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In fact, people do consume foods with cholesterol, but most of the cholesterol in the body is synthesized from foods that don't have cholesterol itself but have fat that the body turns into cholesterol.
实际上,尽管人们食用含胆固醇的食物,但人体内大多的胆固醇都是由,本身不含胆固醇的食物的脂肪,转化合成而来的
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We like certain foods, we have positive associations with them because of our families and all these-- and marketing of course, and all these factors come into play in shaping how we feel about food.
我们喜欢某些食物,对它们会产生正面联想,因为,我们的家庭,当然还有市场营销,以及所有的这些因素都影响着,我们对食物的感觉
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But again, the elements were harsh, finding food may not have been easy, and certain sorts of diets would prevail over others, where there would be a lot of certain nutrients and few of other ones.
可是,自然环境是恶劣的,寻找食物一点也不简单,不过某些食物相对其他更为常见些,其富含有某些营养成分,但缺乏其他的
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Now we're going to compare high glycemic index foods with low glycemic index foods, and so the curve of blood sugar with high glycemic index foods, those that create an exaggerated blood sugar response over a period of time might look like this.
现在我们要对高血糖指数的食物和,低血糖指数的食物进行对比,那些高血糖指数食物所形成的曲线,那些会在某段时间内产生过高血糖的食物,所形成的曲线看起来可能就是这样的
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Virtually every major anatomical change-- think about that for a minute-- every major anatomical change that has existed in humans can be related in one way or another to how foods are acquired and processed by the human body.
事实上,每个重大的解剖学变化,你们想想,人体的每一个重大解剖学的变化,在某些方面,都和获取食物的方式,以及人类机体如何处理这些食物有关
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The distance to food has changed a lot because food has to come in from far greater distances than used to be the case, and that's changed our relationship with food a lot, into a distant rather than a close relationship.
现在人和食物之间的距离发生了很大改变,现在的食物来自比以前远得多的地方,这在很大程度上,我们和食物间的关系,被渐渐地拉远了
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Now one of the books that will be assigned for the class is by Michael Pollan called, In Defense of Food, and he spends some time in that book discussing and he has a very interesting take on it.
这门课要布置给你们阅读的书中,有一本是迈克尔·鲍兰写的,为食物辩护,书中的部分内容,是讨论何为食物,他的某些见解很独到
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Those of you who are familiar with what's going on in New York City may know that if you're in a New City restaurant now you cannot eat trans fats, because trans fats have been banned from the restaurants.
你们中间对纽约很了解的人,可能知道在新城饭店,你吃不到含有反式脂肪的食物,因为餐厅里面全面禁止该种食物
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Of course you guys are savvy enough to know this, but a lot of people get fooled because many people believe that a serving is what's ever in a bag, or a bottle, or a box, and they don't look and see how many servings are actually in it.
大家很聪明,当然看得懂,但还是很多人搞不清它的含义,因为很多人认为所谓一份食物就是指,一包,一瓶或一盒内的食物总量,而没看清整个包装内实际上有几份食物
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For example, you can bring people into a lab or something like that and show them food and say, well can you estimate how many calories are in this, and you actually know how many calories are in it, and you get the error.
比方说,带一些实验对象进入实验室,向他们展示一些食物并问,你们能估计这些食物含有多少卡路里吗,人们认为自己对卡路里含量心里有谱,但他们错了
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First of all, most people believe that their cholesterol level in their body is determined by how much cholesterol they actually consume, so foods high in cholesterol would be bad in that sense and foods low in cholesterol would be good.
首先,大多数人以为体内的胆固醇含量,取决于胆固醇的实际摄入量,由此看来高胆固醇的食物确实对身体无益,而低胆固醇食物则是有益的
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So we actually had the foods on a plate or in a bowl, or in a glass, and we had--we asked them to estimate how much of the food there was, how many ounces they were seeing, and then how many calories there were.
食物被摆在盘子,碗,玻璃杯中,然后让他们估计食物总量,有多少盎司,多少卡路里
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One's from Burger King and one is from KFC, and when I show these to you-- we'll talk a lot about food marketing in the United States, because if you buy the premise that I laid out a few moments ago, that what we consider food and what we consider to taste good is pretty much a total social construction.
一个是汉堡王的,一个是肯德基的,在我播放这两个广告的同时,我们要讲下美国的食物市场营销策略,因为如果你买了我之前出的那本提纲,其中讲到了我们对待食物的态度,我们,判定食物好吃与否的标准是种社会意识
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This was thought by many to be a positive change but in game rich environments where there was a lot of meat available, people could actually get many more calories per hour-- that is secure more food that would help fend off starvation compared to what they could get for people cultivating food.
很多人都认为这是一个积极的改变,然而 在那些富饶地区,获取肉类轻而易举,同样时间内,人类可以获取更多能量,相对那些靠种植获取食物的人类来说,这些地区有足够多的食物来抵御饥荒
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If you think about what ancient food gathering habits used to be like, you see things like this where people are out gathering food that is growing naturally, and you can think about what would-- what sort of conditions this would create and what kind of hardships it would create.
如果你想知道古代食物采集的习惯,请看这张图,人类都在野外采集自然生长的食物,你可以设想到,条件有多恶劣,生存有多艰难
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