lǎo / shī / ràng / wǒ / men / zài / dì / tú / shàng / huà / xiàn / biāo / chū / liǎng / zuò / chéng / shì / zhī / jiān / de / lù / xiàn

老师让我们在地图上画线，标出两座城市之间的路线。

The teacher asked us to draw a line on the map to mark the route between the two cities.