metro
noun uk/ˈmet.rəʊ/ us/ˈmet.roʊ/
(UNDERGROUND RAILWAY)
[ U ]（尤指法国的）地铁
an underground electric railway system in some cities
UK Let's go by Metro. 我们坐地铁去吧。
US Let's use the Metro. 我们坐地铁吧。
a metro station 地铁站
the Paris/Los Angeles metro 巴黎／洛杉矶地铁
(CITY)
[ C ] Indian English大城市，大都市
a large city
Our company has developed commercial properties across the four metros in India. 我们公司在横跨印度的四座大城市开发了商业地产。
metro
adjective [ before noun ] US uk/ˈmet.rəʊ/ us/ˈmet.roʊ/
大都市的
relating to a large city and the area surrounding it
This guidebook includes a map of the Phoenix metro area. 这本旅游指南中有一幅菲尼克斯城区图。