We picked up our conference materials and filed into the lecture hall.我们领取会议材料后鱼贯进入学术报告厅。She checked the seating arrangements before the guests filed into the dining-room.在客人们鱼贯进入餐厅之前，她核实了一遍座位安排。Unobtrusively, the other actors filed into the lounge.其他演员不声不响地鱼贯进入休息室。