车站里,一辆城际快车刚刚开走,旁边的轻轨火车也要出发了。列车员举起标示牌大喊:“请所有旅客上车,列车马上就要出发了!”2号车厢门口却还有两个好朋友在依依惜别,她们挥着手,在说些什么呢?小朋友,请你猜猜看! Station, an intercity express just drove away, next to the light rail trains have to start. The conductor lifted the sign board and shouted: “Please all passengers on the train, the train is about to depart! ” There are still two good friends in the car door in the farewell, they waved their hands, what are you talking about? Children, please guess!