"This latest crime can be added to the list of crimes committed by U.S.troops against Iraqi journalists and Iraqi civilians."

VOA: standard.2010.04.06

So, I just want to write a few examples down with a few values for delta u or delta H or delta S, and see whether we can get any clues from what we see.

我先写一些例子,例子包含一些内能，自由焓和熵的变化数值，然后看从中,我们能不能得到一些启示。

麻省理工公开课 - 热力学与动力学课程节选

You can see in the New World with maize being important how America has become a corn dominated society, even though it's still true that we raise wheat, we raise other things in the United States, and we can import different foods, corn has become an incredibly important constituent of the diet in the U.S.

你能发现玉米在美洲大陆的重要性,那美洲是怎样变成主食玉米的社会的呢,尽管我们仍然种植小麦,在美国也种植其他粮食,而且我们能进口各种不同食物,但是玉米还是变成了,美国人食谱中不可代替的部分

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

And the U.S. and the 16 nation Eurozone can expect modest but continued expansion even as job growth continues to lag in the new year.

VOA: standard.2010.01.21

This is from a U.S. Government website called treasurydirect.gov and you can get on and access it at any time.

来自于美国政府网站,treasurydirect.gov,你们也可以随时访问

耶鲁公开课 - 金融市场课程节选

But Republicans insist only the private sector, and not government, can turn the U.S.economy around.

VOA: standard.2010.06.18

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

Candace Rondeaux says it is not at all clear that he can come through on his promises, and that could have a future impact on U.S.and allied military operations.

VOA: standard.2009.08.03

And because there is an explicit relationship between u, delta u, q and w, you can always find the easy way to derive the change in internal energy or the heat or the work.

因为Δu，q和w之间,有明确的关系，一般来说,内能或热或功的变化,易于计算。

麻省理工公开课 - 热力学与动力学课程节选

"It sends a clear message to those who do business with Iran's petroleum sector, you can trade with Iran and its less than or you can trade with the U.S.

VOA: standard.2009.10.28

policy toward the island. "The view from Havana is that U.S.classified information is a commodity to be bought,sold and traded to anyone that can come up with the right offer,"

VOA: standard.2009.06.06

Still,Mr.Obama's critics say his trip to China will be a test of whether the U.S and China can develop better ties, and whether American acquiescence on some issues will produce concrete results on others.

VOA: standard.2009.11.10

Meanwhile,IntelCenter,a U.S.-based terrorism monitoring group that works with the U.S.government, warns the Christmas day attack could be just the start, and that the possibility of additional attempts on U.S.airplanes can not be ruled out.

VOA: standard.2009.12.26

Analysts like Reginald Dale of the Center for Strategic and International Studies in Washington say this is a chance for the new U.S.president to show he can be a world leader in the economic arena.

VOA: standard.2009.03.31

"Tractors are always running," "So we're always burning fuel." Pitt and many other U.S. farmers are concerned that fuel may be can more expensive under climate change proposals that U.S.congress and negotiators in Copenhagenare considering.

VOA: standard.2009.12.12

"The message by attack on the GHQ is possibly that the army is protecting nuclear assets, and therefore, if the GHQ can be attacked, protect the nuclear assets?" But Pakistani authorities and top U.S.officials have dismissed suggestions that Pakistan's nuclear installations are threatened by the country's growing insurgency.

VOA: standard.2009.10.12

Dr.Leslie Miller at Washington Hospital Center is involved in clinical trials of heart pumps, including this one that the U.S.Food and Drug Administration has approved as a device that can permanently replace the heart for patients who are too old to be considered for a heart transplant.

VOA: standard.2010.01.27

"What we try to do is - for each hospital that we work with - become the number one or number two provider of U.S.patients, so that we really can build a very good relationship with those hospitals and make sure that patient benefits from that."

VOA: standard.2010.04.08

And to the degree we can help, we will do that,". U.S.officials who attended the meetings say Secretary Gates urged Prime Minister Maliki and regional President Barzani to ensure the new parliament forms a government in a "timely and inclusive" manner after the March 7 election.

VOA: standard.2009.12.12

But at the same time,Admiral Mullen, who is Chairman of the Joint Chiefs of Staff, expressed confidence that with a solid Afghan partner, an increase in U.S.forces can bring a measure of security and stability to Afghanistan within a few years, as the 2007/2008 "surge" helped provide an opportunity for Iraq to move forward in a more secure environment.

VOA: standard.2009.11.04