横向
1
Region between the two tropic lines
5
Region surrounding the North Pole
7
Vast body of salt water
8
Large area covered with trees
10
Large natural elevation of earth
11
One of seven major landmasses
12
Long-term weather patterns of an area
13
Distance east or west of prime meridian
14
Seasonal heavy rainfall
纵向
2
Low-lying land surrounded by higher ground
3
Dry land with little rainfall
4
Region near the equator
6
Wearing away of land by water or wind
9
Flat grassland in tropical regions