横向
1
Steep rock face at edge of land
3
One of seven major landmasses
4
Landform where river meets the sea
5
Region surrounding the North Pole
7
Goods sold to another country
9
Largest ocean on Earth
10
Seasonal heavy rainfall
纵向
1
Deep narrow valley with steep sides
2
Half of the Earth
3
City that is seat of government
5
Ocean between Americas and Europe/Africa
6
Low-lying land surrounded by higher ground
8
Vast body of salt water