横向
1
Cold treeless Arctic plain
5
Mountain that can erupt with lava
8
Where river meets the sea
9
Piece of land jutting into the sea
11
Chain or group of islands
纵向
2
Low-lying land surrounded by higher ground
3
Imaginary line around the middle of Earth
4
Land surrounded by water
6
Landform where river meets the sea
7
Wearing away of land by water or wind
10
Tool for finding directions
12
Land surrounded by water on three sides