横向
1
Basic unit of life
3
Reddish electrical conductor
5
Amplified beam of light
纵向
2
Center of an atom or cell
3
Icy body with a tail near the sun
4
Precious yellow metallic element
5
Curved glass that refracts light
6
Our home planet
Basic unit of life
Reddish electrical conductor
Amplified beam of light
Center of an atom or cell
Icy body with a tail near the sun
Precious yellow metallic element
Curved glass that refracts light
Our home planet