横向
1
Seasonal heavy rainfall
5
Vast body of salt water
6
Region surrounding the North Pole
7
Ocean between Americas and Europe/Africa
8
Long-term weather patterns of an area
9
Land surrounded by water on three sides
11
Land surrounded by water
12
Flat elevated area of land
纵向
2
Distance east or west of prime meridian
3
Total number of people in an area
4
Largest river in South America
10
Large natural stream of water
13
One of seven major landmasses
14
Large slow-moving mass of ice
15
Flat grassland in tropical regions