metro

美音音标: ['metrəʊ] metro
英音音标: ['metrəʊ] result.0.expl|add:"

同义
metro tube underground subway subway system
词性
n
解释
an electric railway operating below the surface of the ground (usually in a city)
示例
in Paris the subway system is called the `metro' and in London it is called the `tube' or the `underground'