横向
1
Unit of energy
3
Second lightest element
4
Unit of heredity
6
Fourth state of matter
纵向
2
Gas essential for breathing
3
Form of thermal energy
5
Basic unit of life
7
Compound containing oxygen
8
Preserved remains of ancient life
Unit of energy
Second lightest element
Unit of heredity
Fourth state of matter
Gas essential for breathing
Form of thermal energy
Basic unit of life
Compound containing oxygen
Preserved remains of ancient life