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

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

So we worked on people being held unlawfully in Afghanistan by the U.S. military.

我们打交道的是那些在阿富汗被美国军队非法扣押的人。

在哪都可以实习 - SpeakingMax英语口语达人

The U.S. has been successful in financial markets and it's being imitated by lots of countries.

美国的金融市场一向非常成功,并且被很多国家效仿

耶鲁公开课 - 金融市场课程节选

There are other factors involved too like high energy prices, but certainly U.S. policy is affecting that, but we're also affected by the rest of the world.

还有诸如能源价格高昂等其它因素,但美国的政策肯定是有影响,但世界其它地区的情况也影响了我们

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

OK, delta H is delta of u plus pV. By definition that's how we define enthalpy up here.

好，ΔH=Δ,根据定义，这就是我们。

麻省理工公开课 - 热力学与动力学课程节选

The first rating agency in the world was created by Mr. John Moody, in the U.S. In 1909.

世界上第一家信用评级机构,是约翰·穆迪先生,于1909年在美国创办的

耶鲁公开课 - 金融市场课程节选

We call an instrument of the U.S. Treasury with a maturity less than or equal to one year--we call that a bill and they used to be the only discount bonds issued by the U.S. Government.

我们把期限小于或等于一年的,国库券品种称为短期国库券,它们曾是美国政府,唯一发行的贴现债券

耶鲁公开课 - 金融市场课程节选