横向
1
Mountain that can erupt with lava
4
Deep narrow valley with steep sides
5
Region between the two tropic lines
6
Dry land with little rainfall
7
Distance north or south of equator
纵向
1
Low area between mountains
2
Long-term weather patterns of an area
3
Land surrounded by water
4
One of seven major landmasses
8
Largest ocean on Earth
