横向
1
Compound containing oxygen
4
Naturally occurring inorganic solid
5
Absolute temperature scale unit
7
Center of an atom or cell
10
Force that attracts objects together
11
Element found in all living things
纵向
2
Mass per unit volume
3
Preserved remains of ancient life
4
Tissue that contracts for movement
6
Second lightest element
8
Tectonic landmass section
9
Ball of burning gas in space