(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

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

Phillips told the FBI agent that Muse was the first to board his ship and, in his words, "conducted himself as the leader of the pirates" Phillips said while the pirates held him hostage aboard the lifeboat, Muse told him he had hijacked other ships before.

VOA: standard.2009.04.22