横向
1
Ridge of rock or coral near the surface
3
Vast body of salt water
5
Large area covered with trees
6
Visual representation of an area
8
Landform where river meets the sea
纵向
2
Area where water covers the soil
4
Goods brought in from another country
7
Imaginary line around the middle of Earth
9
Largest ocean on Earth
10
Region near the equator
11
Cold treeless Arctic plain