横向
1
One of seven major landmasses
5
Distance north or south of equator
6
Distance east or west of prime meridian
7
Imaginary line around the middle of Earth
11
Mountain that can erupt with lava
12
Largest river in South America
纵向
1
Tool for finding directions
2
Goods sold to another country
3
Land surrounded by water on three sides
4
Flat grassland in tropical regions
8
Physical features of land
9
Raised area of land, smaller than a mountain
10
Large slow-moving mass of ice