横向
1
Low area between mountains
4
One of seven major landmasses
5
Large slow-moving mass of ice
6
Vast body of salt water
8
Cold treeless Arctic plain
纵向
2
Goods sold to another country
3
Distance east or west of prime meridian
4
Piece of land jutting into the sea
7
Landform where river meets the sea
9
Dry land with little rainfall