Phase changes(相变) 任何一种物质都可以经历下列所述的相变 Any kind of substance may undergo various types of phase changes as following ◆溶解( Fusion/ melting)= solid to liquid ◆凝固( Freezing)= liquid to solid 气化( Vaporization)= liquid to gas 凝结( Condensation)= gas to liquid ◆升华( Sublimation)= solid to gas任何一种物质都可以经历下列所述的相变. Any kind of substance may undergo various types of phase changes as following : 溶解(Fusion/melting) = solid to liquid 凝固(Freezing) = liquid to solid 气化(Vaporization)= liquid to gas 凝结(Condensation)= gas to liquid 升华(Sublimation) = solid to gas Phase changes (相变):