横向
1
Narrow sea inlet between cliffs
3
Region surrounding the North Pole
6
Seasonal heavy rainfall
7
Deep narrow valley with steep sides
11
Largest ocean on Earth
12
Physical features of land
14
Large slow-moving mass of ice
15
Steep rock face at edge of land
纵向
2
Land surrounded by water
4
Large natural stream of water
5
Dry land with little rainfall
8
Largest river in South America
9
Large body of water partly enclosed by land
10
Ocean between Americas and Europe/Africa
13
Ridge of rock or coral near the surface