横向
1
Nerve cell in the brain
4
Force that attracts objects together
5
Gas essential for breathing
7
Substance with pH above 7
纵向
2
Unit of electric potential
3
Push or pull on an object
6
Biological catalyst
8
Infectious microscopic agent
Nerve cell in the brain
Force that attracts objects together
Gas essential for breathing
Substance with pH above 7
Unit of electric potential
Push or pull on an object
Biological catalyst
Infectious microscopic agent