深圳大运会英语作文素材 Train interval 列车间隔

. Dialogue 1
P:    Excuse me, When will the next train arrive?          请问下一班车什么时候到?
S:    About 3 minutes, please wait a moment.             大概3分钟，请稍等。
P:    How often does the train run, please?                请问列车间隔是多少？
S:    Around every 10 minutes.                               大约10分钟。