横向
1
Large natural stream of water
3
Deep narrow valley with steep sides
5
Land surrounded by water
6
Land surrounded by water on three sides
7
Goods brought in from another country
纵向
2
Region surrounding the North Pole
4
Where river meets the sea
8
Seasonal heavy rainfall
9
Low area between mountains
10
Region between the two tropic lines
11
Imaginary line around the middle of Earth
12
Distance east or west of prime meridian
13
Height above sea level
