横向
1
Goods brought in from another country
3
Dry land with little rainfall
5
Body of water surrounded by land
6
Wearing away of land by water or wind
7
Height above sea level
8
Distance east or west of prime meridian
12
Largest ocean on Earth
纵向
2
Physical features of land
3
Landform where river meets the sea
4
Largest river in South America
9
One of seven major landmasses
10
Region near the equator
11
Tool for finding directions
13
Raised area of land, smaller than a mountain