市郊列车
先理解核心含义，再看它在真实句子里的用法。
市郊列车
a train that serves suburban areas, typically stopping at many stations
I take the suburban train to work every day.
我每天都乘坐市郊列车去上班。
市郊列车
a train that serves suburban areas, typically stopping at many stations
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Dictionary facts from AI_SUPPLEMENT.