横向
1
Amplified beam of light
5
Gas essential for breathing
8
Path of a planet around the sun
纵向
2
Substance with pH below 7
3
Substance with pH above 7
4
Basic unit of life
6
Biological catalyst
7
Nerve cell in the brain
Amplified beam of light
Gas essential for breathing
Path of a planet around the sun
Substance with pH below 7
Substance with pH above 7
Basic unit of life
Biological catalyst
Nerve cell in the brain