横向
1
Ocean between Americas and Europe/Africa
6
Steep rock face at edge of land
8
Narrow sea inlet between cliffs
9
Low-lying land surrounded by higher ground
10
Landform where river meets the sea
11
Goods sold to another country
12
Large natural stream of water
纵向
2
Total number of people in an area
3
Region near the equator
4
Height above sea level
5
Piece of land jutting into the sea
7
Wearing away of land by water or wind