He said Iran met I.A.E.A.rules by informing the agency early enough that the facility was being built.

VOA : special.2009.09.26

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

And while I'm at school in class, I can use the e-books of the courses that I'm studying.

在学校上课的时候，我也可以使用那些我修的课程的电子材料。

SpeakingMax英语口语达人 : What kind of实战

A calf is a young cow. A young female cow, especially one that has not yet had a calf, is called a heifer: H-E-I-F-E-R.

VOA : special.2009.07.21

"I'm refreshed and more productive after class. My e-mails are less cranky."

VOA : special.2011.02.28