In addition to her commencement address, Justice Sotomayor had other official duties to perform at the commencement, including the formal investiture of President Rodriguez and the acceptance of the college's Medal of Honor.

VOA: standard.2010.06.05

Plato was born in 427, which is four years after the commencement of the Peloponnesian War.

柏拉图生于公元前，427，年，即伯罗奔尼萨战争,开始之后的四年。

耶鲁公开课 - 政治哲学导论课程节选

(APPLAUSE) The evening continued with the granting of degrees and much post commencement revelry among family and friends of the graduates.

VOA: standard.2010.06.05

This is the last of the president's three commencement addresses this year, and his first at a military academy.

VOA: standard.2009.05.22

This was the first of three commencement addresses the president is scheduled to deliver this month.

VOA: standard.2009.05.14

Mr.Obama delivered his first commencement address as president to the University of Arizona several days ago.

VOA: standard.2009.05.17

In his commencement address, President Obama told the cadets he believes the nature of the war in Afghanistan has changed since it began in 2001, but that it is no less important today.

VOA: standard.2010.05.22