横向
1
Gas essential for breathing
4
Our home planet
6
Curved glass that refracts light
纵向
2
Element found in all living things
3
Disturbance that transfers energy
5
Substance with pH above 7
7
Naturally occurring inorganic solid
8
Unit of heredity
Gas essential for breathing
Our home planet
Curved glass that refracts light
Element found in all living things
Disturbance that transfers energy
Substance with pH above 7
Naturally occurring inorganic solid
Unit of heredity