横向
1
Compound containing oxygen
3
Substance with pH below 7
6
Basic unit of life
7
Curved glass that refracts light
纵向
1
Path of a planet around the sun
2
Naturally occurring inorganic solid
4
Amplified beam of light
5
Infectious microscopic agent
Compound containing oxygen
Substance with pH below 7
Basic unit of life
Curved glass that refracts light
Path of a planet around the sun
Naturally occurring inorganic solid
Amplified beam of light
Infectious microscopic agent