The system was promoted by Mr.Obama's predecessor George W.Bush to defend against missiles launched from what he called "rogue" states such as Iran and North Korea.

VOA: standard.2009.09.17

He urged revival of the slave-trade in the late 1850s, and he developed a theory of what he called warranteeism--w-a-r-r-a-n-t-e-e-I-s-m.

他促成了十八世纪五十年代后期,奴隶交易的复苏,还自己发明了一套理论,名为抵押品主义

耶鲁公开课 - 美国内战与重建课程节选

So we can just write out what those are, minus w prime over q1 prime q1 is greater than minus w over q1.

因此可以写出，负w一撇除以q1一撇,大于负w除以。

麻省理工公开课 - 热力学与动力学课程节选

The split voice, the development of what you could say is that racial double consciousness that W. E. B. Du Bois talks about, that double consciousness of the racial reality, is manifested in that split in the narrative.

在双重叙述中,双重语气表现了出来,这就是W。，E。，B，Du，Bois所说的，种族双重意识，的发展。

耶鲁公开课 - 1945年后的美国小说课程节选

u=q+w All right, what is delta u? delta u is q plus w.

好，Δu是多少？Δ

麻省理工公开课 - 热力学与动力学课程节选