subway system

• 地铁网

英英释义

Noun:

1. an electric railway operating below the surface of the ground (usually in a city);

   "in Paris the subway system is called the `metro' and in London it is called the `tube' or the `underground'"
   

近反义词

【近义词】

• tube 管子
• subway 地铁
• metro 地铁
• underground 地下的