横向
1
Steep rock face at edge of land
3
Goods sold to another country
4
Landform where river meets the sea
5
One of seven major landmasses
6
Area where water covers the soil
9
Total number of people in an area
纵向
2
Ocean between Americas and Europe/Africa
3
Wearing away of land by water or wind
7
Half of the Earth
8
Imaginary line around the middle of Earth
10
Where river meets the sea