横向
1
Vast body of salt water
3
Steep rock face at edge of land
4
Goods brought in from another country
6
Goods sold to another country
7
Imaginary line around the middle of Earth
8
Region surrounding the North Pole
9
Seasonal heavy rainfall
纵向
2
One of seven major landmasses
5
Low-lying land surrounded by higher ground
10
City that is seat of government
11
Where river meets the sea
12
Region near the equator
13
Physical features of land