横向
1
Ocean between Americas and Europe/Africa
5
Body of water surrounded by land
7
Low-lying land surrounded by higher ground
8
Landform where river meets the sea
9
Deep narrow valley with steep sides
10
Half of the Earth
12
Total number of people in an area
纵向
2
Low area between mountains
3
Piece of land jutting into the sea
4
Tool for finding directions
6
City that is seat of government
11
Narrow sea inlet between cliffs
13
Largest river in South America