横向
1
Deep narrow valley with steep sides
3
Raised area of land, smaller than a mountain
5
Large slow-moving mass of ice
7
Largest river in South America
8
Mountain that can erupt with lava
9
Line dividing two countries
10
Imaginary line around the middle of Earth
11
Land surrounded by water
纵向
2
Ocean between Americas and Europe/Africa
4
Chain or group of islands
6
Distance east or west of prime meridian
12
Narrow sea inlet between cliffs
13
Land surrounded by water on three sides