横向
1
Precious yellow metallic element
4
Blocking of light by a celestial body
5
Ball of burning gas in space
6
Substance with pH above 7
7
Unit of electric potential
11
Particle of light
纵向
2
Mass per unit volume
3
Nerve cell in the brain
8
Force that attracts objects together
9
Unit of power
10
Second lightest element
