The new committee holds its first plenary session this week.

新委员会本周举行第一次全会。

《牛津词典》

Ahead of the summit's first plenary session, ". President Obama met with heads of the 12-member Union of South American Nations,UNASUR.

VOA: standard.2009.04.18

The President will then attend the first plenary session of the G-20 Summit.

WHITEHOUSE: Vice President's Schedule

The internal mid-term elections of the European Parliament took up the first couple of days of the first plenary session of 2012.

BBC: Democracy Live site links

The last mayor to address the United Nations was Vincent Impelliteri in 1952, who spoke to the first plenary session of the General Assembly.

CNN: Annan, Giuliani address U.N. General Assembly