横向
1
Low area between mountains
4
Imaginary line around the middle of Earth
5
Flat grassland in tropical regions
7
Distance east or west of prime meridian
9
Long-term weather patterns of an area
纵向
2
Goods sold to another country
3
Land surrounded by water
6
Large area covered with trees
8
Chain or group of islands
10
One of seven major landmasses