横向
1
Ocean between Americas and Europe/Africa
3
Line dividing two countries
8
Tool for finding directions
9
Large body of water partly enclosed by land
10
One of seven major landmasses
11
Large natural stream of water
13
Region between the two tropic lines
纵向
2
Low area between mountains
4
Flat grassland in tropical regions
5
Distance east or west of prime meridian
6
Chain or group of islands
7
Seasonal heavy rainfall
12
Area where water covers the soil