横向
1
Icy body with a tail near the sun
3
Natural satellite of Earth
6
Molten rock beneath Earth surface
纵向
2
Gas essential for breathing
4
Our home planet
5
Gas form of a liquid
6
Measure of matter in an object
7
Unit of electric potential
Icy body with a tail near the sun
Natural satellite of Earth
Molten rock beneath Earth surface
Gas essential for breathing
Our home planet
Gas form of a liquid
Measure of matter in an object
Unit of electric potential