横向
1
Cold treeless Arctic plain
4
Vast body of salt water
5
Piece of land jutting into the sea
6
Largest ocean on Earth
7
Distance east or west of prime meridian
8
Landform where river meets the sea
纵向
1
Physical features of land
2
Low-lying land surrounded by higher ground
3
Goods brought in from another country
9
Large body of water partly enclosed by land
10
Long-term weather patterns of an area
11
Land surrounded by water
12
Flat elevated area of land
13
Raised area of land, smaller than a mountain