Most of our serious illnesses and deaths in the U. S. now come from preventable diseases, such as heart disease. But we know what works to improve health.

如今美国出现的严重疾病和死亡大多是可以预防的，例如心脏病。我们知道怎样有效地改善健康。

youdao

As we know, so far no country has such abilities and skills and enough money to produce such a terrible weapon, but U.

正像我们所了解的，除了美国，世界上任何一个国家都没有能力和金钱制造这样可怕的武器。

youdao

As people learn more about Alibaba Group, they naturally want to know about our international plans. They are especially curious about our company's strategy for the U. s. market.

随着人们越来越来越了解阿里巴巴，自然的，大家会想知道我们的国际战略，特别是好奇我们公司在美国市场的战略。

youdao

U And then if we can also determine delta u, then we know this, we know delta u is q plus w w, then we can determine work as well, right?

然后，如果我们也能定出△,然后我们知道这个,我们知道△U等于q加？

麻省理工公开课 - 热力学与动力学课程节选

pV So our H is u plus pV, as you know.

我们的自由焓H等于内能u加上。

麻省理工公开课 - 热力学与动力学课程节选

In the sovereign debt space, which is government bonds, the debt ratings of developed countries remain under pressure for downgrading, including in the U.K., France and as we all know now, here in the U.S. But emerging markets, which have enjoyed back-to-back years of credit rating upgrades are seeing those upgrade numbers dwindle, with some negative outlooks in some developing nations.

FORBES: For Fitch's Global Credit Ratings, It's Prognosis Negative

And as you know, the U.N. is contemplating sanctions against the Ivory Coast.

NPR: Obsessed with the Africa Cup Soccer Tourney

Next week, as you know, the U.S. military will end its combat mission in Iraq, with the remaining troops advising and assisting Iraqi forces.

WHITEHOUSE: Transforming the American Economy Through Innovation