横向
1
Land surrounded by water on three sides
3
Largest river in South America
5
Vast body of salt water
6
Ocean between Americas and Europe/Africa
8
Distance east or west of prime meridian
11
Steep rock face at edge of land
13
Large slow-moving mass of ice
纵向
2
Large area covered with trees
3
Chain or group of islands
4
Mountain that can erupt with lava
7
Land surrounded by water
9
Physical features of land
10
Where river meets the sea
12
Deep narrow valley with steep sides