横向
1
Mountain that can erupt with lava
6
Goods sold to another country
7
Area where water covers the soil
8
Region near the equator
9
Large natural stream of water
11
Visual representation of an area
12
Vast body of salt water
13
Landform where river meets the sea
纵向
2
Piece of land jutting into the sea
3
Raised area of land, smaller than a mountain
4
Wearing away of land by water or wind
5
Flat grassland in tropical regions
10
Ridge of rock or coral near the surface
