横向
1
Ocean between Americas and Europe/Africa
4
Line dividing two countries
6
Body of water surrounded by land
7
Physical features of land
11
Cold treeless Arctic plain
12
Visual representation of an area
13
Region near the equator
纵向
1
Largest river in South America
2
Goods sold to another country
3
Large slow-moving mass of ice
5
Long-term weather patterns of an area
8
Largest ocean on Earth
9
Wearing away of land by water or wind
10
Piece of land jutting into the sea