横向
1
Biological catalyst
4
Preserved remains of ancient life
6
Magnetic metallic element
7
Unit of force
纵向
2
Force that attracts objects together
3
Measure of matter in an object
5
Nerve cell in the brain
8
Tissue that contracts for movement
Biological catalyst
Preserved remains of ancient life
Magnetic metallic element
Unit of force
Force that attracts objects together
Measure of matter in an object
Nerve cell in the brain
Tissue that contracts for movement