横向
1
Chain or group of islands
7
Large area covered with trees
10
Region surrounding the North Pole
11
One of seven major landmasses
纵向
2
Large natural stream of water
3
Landform where river meets the sea
4
Seasonal heavy rainfall
5
Steep rock face at edge of land
6
Imaginary line around the middle of Earth
8
Physical features of land
9
Ocean between Americas and Europe/Africa