横向
1
Region between the two tropic lines
3
Ridge of rock or coral near the surface
5
Area where water covers the soil
8
Largest river in South America
12
Large area covered with trees
13
Long-term weather patterns of an area
纵向
2
Imaginary line around the middle of Earth
4
Mountain that can erupt with lava
6
Body of water surrounded by land
7
Low-lying land surrounded by higher ground
9
One of seven major landmasses
10
Large natural elevation of earth
11
Large natural stream of water