横向
1
Icy body with a tail near the sun
4
Gas form of a liquid
5
Measure of matter in an object
7
Unit of heredity
纵向
2
Second lightest element
3
Push or pull on an object
4
Infectious microscopic agent
6
Mass per unit volume
Icy body with a tail near the sun
Gas form of a liquid
Measure of matter in an object
Unit of heredity
Second lightest element
Push or pull on an object
Infectious microscopic agent
Mass per unit volume