横向
1
Force that attracts objects together
4
Natural satellite of Earth
5
Second lightest element
纵向
2
Magnetic metallic element
3
Particle of light
6
Basic unit of life
7
Precious yellow metallic element
8
Smallest unit of an element
Force that attracts objects together
Natural satellite of Earth
Second lightest element
Magnetic metallic element
Particle of light
Basic unit of life
Precious yellow metallic element
Smallest unit of an element