横向
1
The Red Planet
3
Particle of light
6
Substance with pH above 7
7
Reddish electrical conductor
纵向
2
Path of a planet around the sun
4
Gas form of a liquid
5
Compound containing oxygen
7
Basic unit of life
The Red Planet
Particle of light
Substance with pH above 7
Reddish electrical conductor
Path of a planet around the sun
Gas form of a liquid
Compound containing oxygen
Basic unit of life