route map
柯林斯词典
1. N-COUNT A route map is a map that shows the main roads in a particular area or the main routes used by buses, trains, and other forms of transportation in a particular area. 交通線路圖
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1. N-COUNT A route map is a map that shows the main roads in a particular area or the main routes used by buses, trains, and other forms of transportation in a particular area. 交通線路圖