横向
1
Large slow-moving mass of ice
3
Height above sea level
5
Imaginary line around the middle of Earth
6
Region surrounding the North Pole
7
Landform where river meets the sea
8
Largest ocean on Earth
9
Seasonal heavy rainfall
10
Physical features of land
纵向
2
Largest river in South America
3
Chain or group of islands
4
Low-lying land surrounded by higher ground
5
Where river meets the sea
11
Goods sold to another country