横向
1
Unit of force
3
The Red Planet
4
Force that attracts objects together
6
Gas form of a liquid
纵向
2
Push or pull on an object
4
Unit of heredity
5
Chemical element in table salt
7
Second lightest element
Unit of force
The Red Planet
Force that attracts objects together
Gas form of a liquid
Push or pull on an object
Unit of heredity
Chemical element in table salt
Second lightest element