lecture theatre
noun🔊/ˈlektʃə θɪətə(r)/
🔊/ˈlektʃər θiːətər/
(British English) (also lecture hall British and North American English)
a large room with rows of seats on a slope, where lectures are given 阶梯教室 Each tiered lecture theatre has a capacity of 70–80 people. 每个分层的演讲厅可容纳70-80人。