横向
1
Largest ocean on Earth
3
Landform where river meets the sea
5
Tool for finding directions
6
Distance east or west of prime meridian
8
Piece of land jutting into the sea
纵向
2
Area where water covers the soil
4
Region surrounding the North Pole
7
Wearing away of land by water or wind
9
Ocean between Americas and Europe/Africa
10
Chain or group of islands
11
Cold treeless Arctic plain
12
Large area covered with trees
13
Physical features of land