pocket atlas

例句：

1. 1. We used a pocket atlas to navigate the city's streets.
   我们用一个口袋地图来导航城市的街道。
2. 2.The old man carried his pocket atlas everywhere he went.
   那位老人随身携带着他的口袋地图，走到哪里都带着。
3. 3. She carefully unfolded her pocket atlas and started studying the maps.
   她小心翼翼地展开她的口袋地图，开始研究地图。