横向
1
Hottest planet in solar system
3
Force that attracts objects together
4
Our home planet
6
Unit of electric potential
7
Substance with pH above 7
纵向
2
Naturally occurring inorganic solid
5
Gas essential for breathing
8
Mass per unit volume
Hottest planet in solar system
Force that attracts objects together
Our home planet
Unit of electric potential
Substance with pH above 7
Naturally occurring inorganic solid
Gas essential for breathing
Mass per unit volume