横向
1
Blocking of light by a celestial body
3
Force that attracts objects together
5
Ball of burning gas in space
纵向
2
Amplified beam of light
3
Unit of heredity
4
Mass per unit volume
6
Icy body with a tail near the sun
7
The Red Planet
Blocking of light by a celestial body
Force that attracts objects together
Ball of burning gas in space
Amplified beam of light
Unit of heredity
Mass per unit volume
Icy body with a tail near the sun
The Red Planet