They cannot talk about the other side. Always,the other side in Iran is pictured as the agent of the West and of the United States.

VOA: standard.2009.11.16

Usually it's done by taking all or part of the infectious agent, and showing them to your immune system in some way.

通常它会带着全部或部分抗原介质,并以某种方式呈递给你的免疫系统

耶鲁公开课 - 生物医学工程探索课程节选

They're going to release a viral agent that will kill half of this country.

他们会释放出一种病毒，让这个国家一半的人丧命。

There is 实战 - SpeakingMax英语口语达人

"I think that the biggest strategic threat to the United States faces today is the possibility of another 9/11 with a nuclear weapon or a biological agent of some kind."

VOA: standard.2010.02.14

So, it first infects you because you breathe in some of the infectious agent.

所以,只要吸入病原体,你就会被感染

耶鲁公开课 - 生物医学工程探索课程节选

(NO TRANSCRIPTS) In 2008,Kennedy saw an agent of change in Senator Barack Obama and became one of the first prominent Democrats to endorse Obama's bid for the party's nomination for president.

VOA: standard.2009.08.26

Moreover, this self is the agent responsible for the thoughts and actions of an individual to which they are ascribed.

另外，这个self还是对一个个体的,行为和思想负责的代理,这是个实物因此要经受时间。

麻省理工公开课 - 计算机科学及编程导论课程节选

Before answering, agent Flannery wanted to make sure his report was up-to-date, so he went to the back of the office and looked into the cage.

VOA: special.2010.09.18

Usually it involves pieces of the infectious agent itself, to cause that engagement.

通常疫苗自身也包含部分传染性介质,以便达成匹配

耶鲁公开课 - 生物医学工程探索课程节选

A wrong body was dug up. A shipping agent was accused of wrongdoing.

VOA: special.2010.07.23

"Another way of looking at it is that a free agent in a sports league is the same thing as anybody else in the United States labor market.

VOA: special.2010.07.26

and his wife was known as "agent 123." U.S.officials did not comment on the kind of information the Myers are accused of passing to Cuba.

VOA: standard.2009.06.06

In a criminal complaint filed by a Federal Bureau of Investigations agent, Captain Phillips describes Muse much differently than the na?ve, young boy his mother portrays him to be.

VOA: standard.2009.04.22

He puts forward a reading list of recent books, including one by a former CIA agent, which the tape says will clarify the "message" of the terrorist attack eight years ago.

VOA: standard.2009.09.14

and other world leaders. The former Libyan intelligence agent was sentenced to a minimum of 27 years in prison by a specially convened Scottish Court in The Netherlands in 2001, but he always proclaimed his innocence.

VOA: standard.2009.09.19

In separate action, the House of Representatives debated a resolution urging Iran to step up cooperation with the U.S.and intermediaries on the case of Robert Levinson, the former FBI agent who disappeared in 2007 while visiting Iran.

VOA: standard.2009.04.28

The Russian Intelligence Service is reportedly planning to publish documents showing what it calls Poland's aggressive intentions towards the Soviet Union ahead of World War II, and says at least one Polish minister was a German agent.

VOA: standard.2009.09.01

In an effort to reduce the number of violent criminals in Juarez, the United States has stopped deporting released prisoners of Mexican nationality to the embattled city, according to US Immigration and Customs Enforcement agent Leticia Zamarripa.

VOA: standard.2010.04.01