横向
1
Piece of land jutting into the sea
3
Deep narrow valley with steep sides
6
Ocean between Americas and Europe/Africa
7
Region between the two tropic lines
8
Total number of people in an area
10
Large natural elevation of earth
纵向
2
Low area between mountains
4
Low-lying land surrounded by higher ground
5
Distance north or south of equator
9
Mountain that can erupt with lava