横向
1
Measure of matter in an object
3
Positive particle in nucleus
4
Reddish electrical conductor
5
Curved glass that refracts light
6
Push or pull on an object
纵向
1
The Red Planet
2
Center of an atom or cell
7
Glass that splits light into spectrum
Measure of matter in an object
Positive particle in nucleus
Reddish electrical conductor
Curved glass that refracts light
Push or pull on an object
The Red Planet
Center of an atom or cell
Glass that splits light into spectrum