横向
1
Body of water surrounded by land
3
Ocean between Americas and Europe/Africa
7
Vast body of salt water
8
One of seven major landmasses
9
Large slow-moving mass of ice
10
Raised area of land, smaller than a mountain
纵向
2
Low-lying land surrounded by higher ground
4
Total number of people in an area
5
Large body of water partly enclosed by land
6
Low area between mountains
11
Wearing away of land by water or wind
12
Largest hot desert in the world
13
Distance north or south of equator