横向
1
Icy body with a tail near the sun
4
Force that attracts objects together
6
Gas form of a liquid
7
Natural satellite of Earth
9
Basic unit of life
纵向
1
Reddish electrical conductor
2
Measure of matter in an object
3
Disturbance that transfers energy
5
Gas essential for breathing
8
Hottest planet in solar system
10
Ball of burning gas in space