auditorium

1. N-COUNT An auditorium is the part of a theatre or concert hall where the audience sits. 观众席

Anderson was to sing at the Constitution Hall auditorium. 安德森将要在宪法厅的观众席演唱。

2. N-COUNT An auditorium is a large room, hall, or building that is used for events such as meetings and concerts. 礼堂[美国英语]

...a high school auditorium. …一所中学的礼堂。