横向
1
Preserved remains of ancient life
2
Glass that splits light into spectrum
5
Basic unit of life
6
Substance with pH below 7
纵向
2
Fourth state of matter
3
Infectious microscopic agent
4
Icy body with a tail near the sun
7
Amplified beam of light
Preserved remains of ancient life
Glass that splits light into spectrum
Basic unit of life
Substance with pH below 7
Fourth state of matter
Infectious microscopic agent
Icy body with a tail near the sun
Amplified beam of light