横向
1
Vast body of salt water
5
Mountain that can erupt with lava
6
Goods sold to another country
7
Large natural stream of water
8
Ridge of rock or coral near the surface
9
Deep narrow valley with steep sides
10
Flat elevated area of land
11
Distance north or south of equator
纵向
2
Chain or group of islands
3
Landform where river meets the sea
4
Area where water covers the soil
5
Low area between mountains