横向
1
Naturally occurring inorganic solid
4
Compound containing oxygen
5
Amplified beam of light
6
Path of a planet around the sun
9
Curved glass that refracts light
纵向
1
Tissue that contracts for movement
2
Infectious microscopic agent
3
Solid with repeating atomic pattern
7
Reddish electrical conductor
8
Gas essential for breathing
10
Second lightest element
11
Magnetic metallic element
