横向
1
Smallest unit of an element
4
Unit of heredity
5
Disturbance that transfers energy
6
Amplified beam of light
7
Magnetic metallic element
纵向
2
Gas form of a liquid
3
Naturally occurring inorganic solid
8
Mass per unit volume
Smallest unit of an element
Unit of heredity
Disturbance that transfers energy
Amplified beam of light
Magnetic metallic element
Gas form of a liquid
Naturally occurring inorganic solid
Mass per unit volume