横向
1
Chain or group of islands
7
Physical features of land
9
Land surrounded by water
11
Region surrounding the North Pole
14
Landform where river meets the sea
纵向
2
Body of water surrounded by land
3
Low area between mountains
4
Largest ocean on Earth
5
Large natural stream of water
6
City that is seat of government
8
Largest river in South America
10
Imaginary line around the middle of Earth
12
Region between the two tropic lines
13
Flat elevated area of land
15
One of seven major landmasses