横向
1
Ocean between Americas and Europe/Africa
6
Deep narrow valley with steep sides
7
City that is seat of government
9
Region between the two tropic lines
11
Large body of water partly enclosed by land
13
Goods sold to another country
15
Low-lying land surrounded by higher ground
纵向
2
Large natural stream of water
3
Landform where river meets the sea
4
Region near the equator
5
Mountain that can erupt with lava
8
Largest river in South America
10
Chain or group of islands
12
Land surrounded by water on three sides
14
Large area covered with trees