The Pope delivers the Urbi et Orbi - meaning to the city (Rome) and to the world - address twice a year, at Easter and Christmas.

教宗发表了每年两次的--分别在复活节和圣诞节--向罗马及世界致辞（the Urbi et Orbi）。 Urbi 意为罗马城，Orbi 意为世界。

youdao

In his Urbi et Orbi (To the city and the world) speech, Pope Francis began with a simple "Happy Easter!"

BBC: Pope Francis delivers Easter plea for peace

He will then lead six more liturgies during the week, culminating with the Easter Sunday Mass and Urbi et Orbi blessing.

BBC: Pope Francis visits Benedict XVI at Castel Gandolfo

The Urbi et Orbi, which means "to the city and the world", is a customary part of Christmas for Roman Catholics.

BBC: Pope Benedict in Christmas plea for Syria solution