横向
1
One of seven major landmasses
6
Dry land with little rainfall
7
Long-term weather patterns of an area
9
Visual representation of an area
纵向
2
Flat grassland in tropical regions
3
Vast body of salt water
4
Deep narrow valley with steep sides
5
Low-lying land surrounded by higher ground
8
Goods sold to another country
10
Goods brought in from another country
