横向
1
Particle of light
2
Second lightest element
3
Substance with pH above 7
4
The Red Planet
纵向
1
Fourth state of matter
4
Tissue that contracts for movement
5
Unit of heredity
6
Naturally occurring inorganic solid
Particle of light
Second lightest element
Substance with pH above 7
The Red Planet
Fourth state of matter
Tissue that contracts for movement
Unit of heredity
Naturally occurring inorganic solid