我在地图上我想去野餐的地方做了一个标记。

I've put a ___mark on the map where I think we should go for a picnic.

道路中间的那些标记是什么意思？

What do those ___marks in the middle of the road mean?

当你穿过山谷时，请始终沿着路上的红色标记走。

As you walk through the valley, always follow the red ___marks on the path.