横向
1
Where river meets the sea
3
Raised area of land, smaller than a mountain
5
Large area covered with trees
9
Vast body of salt water
10
Piece of land jutting into the sea
纵向
2
Body of water surrounded by land
4
Largest ocean on Earth
6
Cold treeless Arctic plain
7
Region between the two tropic lines
8
Area where water covers the soil