横向
1
Imaginary line around the middle of Earth
5
Area where water covers the soil
7
Ocean between Americas and Europe/Africa
8
Deep narrow valley with steep sides
9
Line dividing two countries
10
Largest ocean on Earth
纵向
2
One of seven major landmasses
3
Tool for finding directions
4
Region surrounding the North Pole
6
Flat elevated area of land
7
Chain or group of islands