Video: 0378_melt_chocolate_4
Phase transition: melt
State before: solid:non_particulate:rigid body
State after: solid:non_particulate:flexible body
Object: In the process of melting the chocolate, the chocolate which is not melted in the initial frame
目标物体: 在融化巧克力的过程中，位于初始帧中未融化的巧克力的部分