横向
1
Deep narrow valley with steep sides
4
Half of the Earth
6
Low-lying land surrounded by higher ground
7
Vast body of salt water
8
Large body of water partly enclosed by land
9
Distance north or south of equator
11
Seasonal heavy rainfall
纵向
2
Ocean between Americas and Europe/Africa
3
Where river meets the sea
5
Large natural elevation of earth
10
City that is seat of government