横向
1
Largest river in South America
3
Large area covered with trees
5
Height above sea level
7
Vast body of salt water
9
Half of the Earth
10
Imaginary line around the middle of Earth
11
Ocean between Americas and Europe/Africa
纵向
2
One of seven major landmasses
4
Mountain that can erupt with lava
6
Landform where river meets the sea
8
Wearing away of land by water or wind
12
Piece of land jutting into the sea
13
Large slow-moving mass of ice