横向
1
Unit of energy
4
Basic unit of life
5
Gas essential for breathing
8
Smallest unit of an element
纵向
2
Magnetic metallic element
3
Push or pull on an object
6
Compound containing oxygen
7
Unit of force
Unit of energy
Basic unit of life
Gas essential for breathing
Smallest unit of an element
Magnetic metallic element
Push or pull on an object
Compound containing oxygen
Unit of force