横向
1
Cold treeless Arctic plain
5
Where river meets the sea
6
Imaginary line around the middle of Earth
7
Large natural stream of water
纵向
2
Distance east or west of prime meridian
3
Line dividing two countries
4
Body of water surrounded by land
8
City that is seat of government
9
Region near the equator
10
Height above sea level
11
Goods brought in from another country