横向
1
Largest ocean on Earth
4
Ridge of rock or coral near the surface
6
Goods brought in from another country
7
Vast body of salt water
10
City that is seat of government
纵向
2
Distance east or west of prime meridian
3
Height above sea level
5
Wearing away of land by water or wind
8
Region between the two tropic lines
9
Region near the equator