横向
1
Ocean between Americas and Europe/Africa
6
Body of water surrounded by land
8
Region near the equator
9
Land surrounded by water on three sides
10
Large area covered with trees
11
Largest river in South America
纵向
2
Distance north or south of equator
3
Distance east or west of prime meridian
4
Largest ocean on Earth
5
Land surrounded by water
7
Flat grassland in tropical regions