横向
1
Region between the two tropic lines
2
One of seven major landmasses
5
Vast body of salt water
6
Land surrounded by water on three sides
7
Large natural stream of water
9
Goods sold to another country
10
Raised area of land, smaller than a mountain
纵向
2
Steep rock face at edge of land
3
Deep narrow valley with steep sides
4
Height above sea level
8
Half of the Earth
11
Total number of people in an area
12
Imaginary line around the middle of Earth
13
Body of water surrounded by land