横向
1
Largest river in South America
5
Region surrounding the North Pole
6
Land surrounded by water
7
Large body of water partly enclosed by land
10
Goods sold to another country
11
Flat elevated area of land
12
Distance east or west of prime meridian
14
Mountain that can erupt with lava
15
Imaginary line around the middle of Earth
纵向
2
Vast body of salt water
3
Cold treeless Arctic plain
4
Land surrounded by water on three sides
8
Region near the equator
9
Ridge of rock or coral near the surface
13
Dry land with little rainfall