横向
1
Low area between mountains
4
Physical features of land
7
Flat elevated area of land
8
Large natural elevation of earth
纵向
2
Deep narrow valley with steep sides
3
Large body of water partly enclosed by land
5
Chain or group of islands
6
Dry land with little rainfall
9
Half of the Earth
10
Landform where river meets the sea
11
Goods brought in from another country