横向
1
Substance with pH above 7
3
The Red Planet
6
Gas form of a liquid
7
Smallest unit of an element
纵向
2
Measure of matter in an object
4
Our home planet
5
Fourth state of matter
8
Preserved remains of ancient life
9
Amplified beam of light
Substance with pH above 7
The Red Planet
Gas form of a liquid
Smallest unit of an element
Measure of matter in an object
Our home planet
Fourth state of matter
Preserved remains of ancient life
Amplified beam of light