地铁线路,城市轨道交通的一条路线
先理解核心含义，再看它在真实句子里的用法。
地铁线路,城市轨道交通的一条路线
a line or route of an urban underground or metropolitan railway system
Take the metro line to the city center.
乘坐地铁线路去市中心。
地铁线路,城市轨道交通的一条路线
a line or route of an urban underground or metropolitan railway system
Use metro line naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
Dictionary facts from AI_SUPPLEMENT.