横向
1
Path of a planet around the sun
3
Unit of energy
5
Force that attracts objects together
8
Unit of force
纵向
2
Reddish electrical conductor
4
Our home planet
6
Precious yellow metallic element
7
Magnetic metallic element
Path of a planet around the sun
Unit of energy
Force that attracts objects together
Unit of force
Reddish electrical conductor
Our home planet
Precious yellow metallic element
Magnetic metallic element