M百货商场的地下12层正在举办商品展销。采购完的顾客们手里拎着鼓鼓的袋子在高速电梯前排着长长的队伍。这部电梯3秒钟就能到达地面上。不一会儿,电梯下来了。电梯门刚一敞开,排好的队伍就乱了套,顾客们一拥而入地跨进了电梯里。转眼间电梯就满员了。在电梯刚要关门时,又有两位客人几乎是同时跨进电梯里。与此同时,电梯里的信号器响了。接着扬声器说话了。 The 12th basement of M Department Store is holding merchandise sales. Procured customers carrying a bulging bag of hands in front of the high-speed elevator long queue. This elevator will reach the ground in 3 seconds. In a moment, the elevator came down. As soon as the elevator doors were wide open, the well-lined team was in turmoil and the customers swarmed into the elevator. The elevator is full. Just as the elevator closed, two more guests stepped into the elevator almost at the same time. At the same time, the signal in the elevator rang. Then the speaker spoke.