横向
1
Gas essential for breathing
4
Form of thermal energy
6
Fourth state of matter
8
Group of similar cells
纵向
2
Unit of energy
3
Our home planet
5
Force that attracts objects together
7
Disturbance that transfers energy
Gas essential for breathing
Form of thermal energy
Fourth state of matter
Group of similar cells
Unit of energy
Our home planet
Force that attracts objects together
Disturbance that transfers energy