横向
1
Unit of heredity
3
Chemical element in table salt
6
Biological catalyst
7
Absolute temperature scale unit
纵向
1
Force that attracts objects together
2
Particle of light
4
Our home planet
5
Group of similar cells
Unit of heredity
Chemical element in table salt
Biological catalyst
Absolute temperature scale unit
Force that attracts objects together
Particle of light
Our home planet
Group of similar cells