横向
1
Unit of electric potential
3
Curved glass that refracts light
4
Blocking of light by a celestial body
5
Force that attracts objects together
7
Tissue that contracts for movement
8
Natural satellite of Earth
10
Solid with repeating atomic pattern
11
Tectonic landmass section
14
Disturbance that transfers energy
纵向
2
Nerve cell in the brain
4
Biological catalyst
6
Group of similar cells
9
Gas form of a liquid
12
Push or pull on an object
13
Second lightest element