横向
1
Our home planet
4
Icy body with a tail near the sun
6
Chemical element in table salt
8
Preserved remains of ancient life
纵向
2
Unit of heredity
3
Tectonic landmass section
5
Path of a planet around the sun
7
Compound containing oxygen
Our home planet
Icy body with a tail near the sun
Chemical element in table salt
Preserved remains of ancient life
Unit of heredity
Tectonic landmass section
Path of a planet around the sun
Compound containing oxygen