横向
1
Particle of light
3
Measure of matter in an object
4
Natural satellite of Earth
6
Unit of heredity
7
Amplified beam of light
10
Push or pull on an object
纵向
1
Positive particle in nucleus
2
Element found in all living things
4
The Red Planet
5
Unit of force
8
Fourth state of matter
9
Nerve cell in the brain