横向
1
Basic unit of life
4
Our home planet
6
Element found in all living things
8
Compound containing oxygen
纵向
2
Amplified beam of light
3
Tissue that contracts for movement
5
Smallest unit of an element
7
Curved glass that refracts light
Basic unit of life
Our home planet
Element found in all living things
Compound containing oxygen
Amplified beam of light
Tissue that contracts for movement
Smallest unit of an element
Curved glass that refracts light