横向
1
Area where water covers the soil
5
Wearing away of land by water or wind
6
Mountain that can erupt with lava
7
Ridge of rock or coral near the surface
9
Region surrounding the North Pole
13
Region near the equator
纵向
2
Narrow sea inlet between cliffs
3
Visual representation of an area
4
Where river meets the sea
8
Deep narrow valley with steep sides
10
Body of water surrounded by land
11
Distance east or west of prime meridian
12
Goods sold to another country