横向
1
Region between the two tropic lines
3
Area where water covers the soil
5
Cold treeless Arctic plain
8
Steep rock face at edge of land
11
Large natural stream of water
12
Vast body of salt water
纵向
2
Flat elevated area of land
4
Deep narrow valley with steep sides
6
Ocean between Americas and Europe/Africa
7
Piece of land jutting into the sea
9
Narrow sea inlet between cliffs
10
Goods brought in from another country