"This criminal invention represents a potentially serious threat to law enforcement and the public," said U. S. Customs Service Commissioner Raymond W. Kelly.
“这种罪恶的发明对执法人员和公众具有潜在的严重威胁,”美国海关总局官员雷蒙德·w·凯利说。
That could be one reason why the Saudi king rebuffed U. S. President George W. Bush's request for increased oil production earlier this month.
可能就是这个原因,本月早些时候,沙特阿拉伯国王回绝了布什希望他们增加产量的请求。
The U. S. and Europe will have 'U-shaped' or 'W-shaped' recoveries, economists argued, meaning they believe the upturn since late 2009 will fizzle out later this year.
经济学家认为,美国和欧洲将经历U型或W型复苏,这意味着他们相信2009年年末开始的反弹势头将在今年某个时候结束。
The last hemispheric gathering, in Argentina in 2005, was marred by riots and fierce demonstrations against then-U.S.President George W.Bush.
VOA: standard.2009.04.19
U OK, so let's look at delta u. Delta u is q plus w.
好的,让我们看看Δ
And of course, in either case, w delta u is q plus w, so it's q irreversible plus w irreversible, u being a state function it's the same in either case.
当然了,在这两个过程中,Δu都等于q加,因此现在是q不可逆加w不可逆,同时u在这两个过程中都是态函数。
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