横向
1
Region near the equator
3
Landform where river meets the sea
6
Large area covered with trees
8
Chain or group of islands
11
Low-lying land surrounded by higher ground
纵向
2
Ocean between Americas and Europe/Africa
4
Region surrounding the North Pole
5
Deep narrow valley with steep sides
7
Large natural stream of water
9
Largest ocean on Earth
10
Large body of water partly enclosed by land
12
Wearing away of land by water or wind
