横向
1
Largest ocean on Earth
5
Region surrounding the North Pole
6
Raised area of land, smaller than a mountain
7
Body of water surrounded by land
纵向
2
Mountain that can erupt with lava
3
Physical features of land
4
Long-term weather patterns of an area
8
Distance east or west of prime meridian
9
One of seven major landmasses
10
Large natural elevation of earth