横向
1
Our home planet
3
Natural satellite of Earth
5
Magnetic metallic element
6
Hottest planet in solar system
8
Mass per unit volume
纵向
2
Gas essential for breathing
4
Unit of force
7
Gas form of a liquid
9
Smallest unit of an element
Our home planet
Natural satellite of Earth
Magnetic metallic element
Hottest planet in solar system
Mass per unit volume
Gas essential for breathing
Unit of force
Gas form of a liquid
Smallest unit of an element