横向
1
Ocean between Americas and Europe/Africa
6
Deep narrow valley with steep sides
7
Low-lying land surrounded by higher ground
8
Large slow-moving mass of ice
9
Seasonal heavy rainfall
10
Largest ocean on Earth
纵向
1
Largest river in South America
2
Goods sold to another country
3
Region surrounding the North Pole
4
Height above sea level
5
Tool for finding directions
11
Long-term weather patterns of an area