进入场景
Enter the scene
站台广播提醒乘客排队、换乘和注意安全，通勤者用很短的话完成交流。
Platform announcements remind riders to queue, transfer, and stay safe while commuters exchange brief phrases.
语言重点
Language focus
“换乘”“下一站”“请注意”是城市生活里非常高频的公共表达。
'Transfer,' 'next station,' and 'please note' are high-frequency public expressions in city life.
读后练习
After-reading practice
听一段地铁广播后，标出站名、动作和提醒词，再复述路线。
After listening to a metro announcement, mark station names, actions, and reminders, then retell the route.