横向
1
Goods brought in from another country
3
Visual representation of an area
4
Cold treeless Arctic plain
5
Ocean between Americas and Europe/Africa
7
Large area covered with trees
10
Raised area of land, smaller than a mountain
纵向
2
Tool for finding directions
4
Physical features of land
6
One of seven major landmasses
8
Goods sold to another country
9
Wearing away of land by water or wind
11
Large slow-moving mass of ice
12
Region between the two tropic lines
13
Chain or group of islands