Here's a pyramid that was established from the glycemic index, so this would be a little bit different version of the pyramid.
这个金字塔是基于血糖指数建立的,这个版本的食物金字塔有些许不同
It shows in these parts of the pyramid that run vertically rather than horizontally, how much people should be eating of various foods.
这个金字塔的组成部分,是垂直排列的,而非以往的水平排列,它们代表了人体对每种食物的需求量
So it's trigonal because we have these three atoms that are bound to the central atom here, and if you picture it, it's actually shaped like a pyramid.
这里三角形是因为,我们有3个原子核中心原子成键,如果你画它,它就是金字塔形的。
The Roman household was constructed like a pyramid.
罗马家户类似金字塔结构。
And then the pyramid that I find most persuasive is the one developed by the folks at Harvard, willett and his colleagues, that's based on all the available science.
下面这个金字塔在我看来是最有说服力的,它是由哈佛的学者威莱特及其同事提出的,该金字塔参考了所有的现有科学理论
There's an interesting set of politics that were involved in the creation of this pyramid that we'll talk about as well in a subsequent class, but this is the reigning version of the pyramid.
这个金字塔的建立,涉及了一些有趣的政治问题,我们将会在以后的课程中加以讨论,不过这已经是目前最流行的版本了
The food guide pyramid was the government's effort, put through by the U.S. Department of Agriculture about what people should eat optimally.
食物金字塔是政府努力的结果,它是由美国农业部提出的,关于人们最佳饮食结构的建议
Well, this is the original food guide pyramid, it's supplemented by a more recent version and I'll show you in just a second.
这是一个最初版本的食物金字塔,最近有一个新版本对其进行了补充,我马上会给大家展示
So there was great scrutiny when the next food guide pyramid was getting developed.
因此第二版的饮食金字塔的提出,经过了仔细的审查
We'll talk later about the construction of the food guide pyramid.
我们一会儿会说到食物金字塔
The current pyramid makes the diet look like this.
目前的食物金字塔是这样划分饮食的
She was in Washington spending some time when the first food guide pyramid and dietary guidelines when being developed and she talks about that experience and how much impact the food industry had on this.
她曾在华盛顿待过一段时间,正值食物金字塔的最初版,和饮食指南被提出之时,她谈到了那段时期的一些相关经历,以及食品行业对该研究的影响有多大
You could take the food guide pyramid and make it the reverse of what it should be and you still end up with something that people really wouldn't see very much, kids don't learn about very much, it doesn't really affect many people, so you could say that it doesn't really matter.
如果你把食物金字塔彻底扭转成另一版本,也不会怎么样,反正人们也不会过多地去关注它,孩子们也不会学它,它并不会真的影响人们的生活,因此你可以说它无关紧要
The new food guide pyramid can be seen at mypyramid.gov and it looks like this.
新的食物金字塔可以在,mypyramid.gov官网上找到,如图所示
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