横向
1
Amplified beam of light
4
Measure of matter in an object
6
Smallest unit of an element
7
Positive particle in nucleus
纵向
2
The Red Planet
3
Our home planet
5
Unit of power
8
Reddish electrical conductor
Amplified beam of light
Measure of matter in an object
Smallest unit of an element
Positive particle in nucleus
The Red Planet
Our home planet
Unit of power
Reddish electrical conductor