详细解释:n. 兼作礼堂和自助食堂的大厅
词型变化：
名词复数:cafetoriums详细解释：
caf.e.to.ri.um
n.（名词）【复数】 caf.e.to.ri.ums 或 caf.e.to.ri.a [-tôr.ô-…, -tôr.-] A large room, usually in an educational institution, that serves both as a cafeteria and as an auditorium.大厅：通常设于教育机关内的既做自助餐厅又做礼堂的大房间
来源：cafe(teria) cafe(teria)(audi)torium (audi)torium