横向
1
Landform where river meets the sea
2
Line dividing two countries
5
Cold treeless Arctic plain
7
Raised area of land, smaller than a mountain
8
Region near the equator
10
Deep narrow valley with steep sides
纵向
1
Dry land with little rainfall
3
Ocean between Americas and Europe/Africa
4
Physical features of land
6
Large slow-moving mass of ice
9
Height above sea level