1. We picked up our conference materials and filed into the lecture hall. 我们拿了会议材料，鱼贯进入礼堂。
2. My presentation is scheduled for 9:30 tomorrow morning at the lecture hall. 我的报告将于明天上午9:30在演讲厅举行。
3. Inherently introverted, he realised early on that as an academic, his reticence would prove disastrous in the lecture hall. 他生性内向，很早就意识到，作为一名学者，他的沉默寡言在演讲厅里将带来灾难性的后果。
4. We are excavating near the lecture hall to see what types of artifacts we find—things people used in the past that got buried when the campus was constructed. 我们在演讲大厅附近挖掘，看看能发现什么类型的手工艺品——就是人们之前用过的，在建造校园时被埋掉的东西。
5. This used to be an agricultural area and we already know that where the main lecture hall now stands, there once were farm house and barn that were erected in the late 1700s. 这曾经是一个农业区，我们已经知道，现在主演讲厅所在的地方曾经有建于18世纪晚期的农舍和谷仓。
