横向
1
Amplified beam of light
4
Center of an atom or cell
5
Reddish electrical conductor
7
Force that attracts objects together
9
Tissue that contracts for movement
纵向
2
Measure of matter in an object
3
Push or pull on an object
4
Nerve cell in the brain
6
Infectious microscopic agent
8
Unit of electric potential
10
Group of similar cells