横向
1
Largest ocean on Earth
3
Landform where river meets the sea
6
Region near the equator
10
Large area covered with trees
11
Where river meets the sea
12
Cold treeless Arctic plain
13
Flat grassland in tropical regions
纵向
2
Goods brought in from another country
4
Tool for finding directions
5
Low-lying land surrounded by higher ground
7
Area where water covers the soil
8
Ocean between Americas and Europe/Africa
9
Large natural stream of water
14
Land surrounded by water on three sides