横向
1
Seasonal heavy rainfall
5
Cold treeless Arctic plain
7
Goods brought in from another country
8
Flat elevated area of land
9
Wearing away of land by water or wind
11
Large natural stream of water
12
Landform where river meets the sea
纵向
2
Where river meets the sea
3
One of seven major landmasses
4
Line dividing two countries
6
Visual representation of an area
10
Tool for finding directions
13
Large area covered with trees