横向
1
Physical features of land
5
Distance north or south of equator
7
Goods sold to another country
8
Region surrounding the North Pole
9
Largest river in South America
11
Region near the equator
12
Large area covered with trees
13
Flat grassland in tropical regions
纵向
2
Narrow sea inlet between cliffs
3
One of seven major landmasses
4
Piece of land jutting into the sea
6
Large natural elevation of earth
10
Mountain that can erupt with lava