横向
1
Half of the Earth
5
Flat grassland in tropical regions
7
Goods sold to another country
9
Largest river in South America
10
Ocean between Americas and Europe/Africa
纵向
2
Piece of land jutting into the sea
3
Large slow-moving mass of ice
4
Cold treeless Arctic plain
6
Low-lying land surrounded by higher ground
8
Area where water covers the soil
11
Large natural stream of water