横向
1
Imaginary line around the middle of Earth
3
Raised area of land, smaller than a mountain
5
Flat grassland in tropical regions
7
Distance east or west of prime meridian
8
Piece of land jutting into the sea
10
One of seven major landmasses
纵向
2
Flat elevated area of land
4
Ocean between Americas and Europe/Africa
5
Largest hot desert in the world
6
Goods sold to another country
9
Line dividing two countries
11
Seasonal heavy rainfall
12
Chain or group of islands
13
Mountain that can erupt with lava