横向
1
Land surrounded by water on three sides
3
Goods sold to another country
5
Tool for finding directions
6
Ridge of rock or coral near the surface
7
Region surrounding the North Pole
8
Flat grassland in tropical regions
10
Mountain that can erupt with lava
11
Half of the Earth
纵向
1
Largest ocean on Earth
2
Where river meets the sea
3
Imaginary line around the middle of Earth
4
Physical features of land
9
Distance east or west of prime meridian
12
Distance north or south of equator