横向
1
Landform where river meets the sea
4
Seasonal heavy rainfall
5
Ocean between Americas and Europe/Africa
7
Narrow sea inlet between cliffs
9
Piece of land jutting into the sea
10
Cold treeless Arctic plain
12
Total number of people in an area
纵向
2
Goods sold to another country
3
Chain or group of islands
6
Land surrounded by water
8
Flat grassland in tropical regions
11
Region surrounding the North Pole
13
Large slow-moving mass of ice