横向
1
Goods brought in from another country
4
Landform where river meets the sea
7
Cold treeless Arctic plain
8
Large body of water partly enclosed by land
10
Wearing away of land by water or wind
纵向
2
Piece of land jutting into the sea
3
Goods sold to another country
5
Large natural stream of water
6
Large area covered with trees
9
Land surrounded by water
11
Mountain that can erupt with lava