横向
1
Cold treeless Arctic plain
4
Goods brought in from another country
6
Narrow sea inlet between cliffs
7
Body of water surrounded by land
8
Vast body of salt water
10
Flat elevated area of land
纵向
2
Large slow-moving mass of ice
3
Distance east or west of prime meridian
5
Deep narrow valley with steep sides
9
Dry land with little rainfall
11
Where river meets the sea
12
Large area covered with trees