The only evidence was cut into a tree and a fence: the letters C-R-O and the word Croatoan,C-R-O-A-T-O-A-N.

VOA : special.2009.08.17

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

美国内战与重建课程节选 : 耶鲁公开课

So, what we have left in our equation is only one part that n we haven't explained yet, and that is that n value.

现在方程里只剩下一个常数,我们还没有解释，这就是。

化学原理课程节选 : 麻省理工公开课

The traditional spelling is d-o-u-g-h-n-u-t but people often just spell it d-o-n-u-t.

VOA : special.2010.04.12

C-A-T-W-O-M-A-N."

VOA : special.2009.06.07